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block

[blok] /blɒk/
noun
1.
a solid mass of wood, stone, etc., usually with one or more flat or approximately flat faces.
2.
a hollow masonry building unit of cement, terra cotta, etc.:
a wall made of concrete blocks.
3.
one of a set of cube-shaped pieces of wood, plastic, or the like, used as a child's toy in building.
4.
a mold or piece on which something is shaped or kept in shape:
a hat block.
5.
a piece of wood used in the art of making woodcuts or wood engravings.
6.
Printing. the base on which a plate is mounted to make it type-high.
7.
a projection left on a squared stone to provide a means of lifting it.
8.
a short length of plank serving as a bridging, as between joists.
9.
a stump or wooden structure on which a condemned person is beheaded:
Mary Stuart went bravely to the block.
11.
Machinery. a part enclosing one or more freely rotating, grooved pulleys, about which ropes or chains pass to form a hoisting or hauling tackle.
12.
an obstacle, obstruction, or hindrance:
His stubbornness is a block to all my efforts.
13.
the state or condition of being obstructed; blockage:
The traffic block lasted several hours.
14.
Pathology.
  1. an obstruction, as of a nerve.
  2. heart block.
15.
Sports. a hindering of an opponent's actions.
16.
a quantity, portion, or section taken as a unit or dealt with at one time:
a large block of theater tickets.
17.
a small section of a city, town, etc., enclosed by neighboring and intersecting streets:
She lives on my block.
18.
the length of one side of such a section:
We walked two blocks over.
19.
Chiefly British. a large building divided into separate apartments, offices, shops, etc.
20.
a large number of bonds or shares of stock sold together as a single unit.
21.
Computers.
  1. a group of data stored as a unit on an external storage medium and handled as a unit by the computer for input or output:
    This file has 20 records per block.
  2. a section of storage locations in a computer allocated to a particular set of instructions or data.
  3. a group of consecutive machine words organized as a unit and guiding a particular computer operation, especially with reference to input and output.
  4. (on a flow chart) a symbol representing an operation, device, or instruction in a computer program.
22.
Railroads. any of the short lengths into which a track is divided for signaling purposes.
23.
Philately. a group of four or more unseparated stamps, not in a strip.
24.
Slang. a person's head.
25.
Glassmaking. a wooden or metal cup for blocking a gather.
26.
an obstruction or stoppage in mental processes or speech, especially when related to stress, emotional conflict, etc.
28.
Geology.
  1. any large, angular mass of solid rock.
  2. fault block.
29.
(in Canada) a wild or remote area of land that has not yet been surveyed:
the Peace River block.
30.
Automotive. cylinder block.
31.
Falconry. a low perch to which a falcon is tethered outdoors.
verb (used with object)
32.
to obstruct (someone or something) by placing obstacles in the way (sometimes followed by up):
to block one's exit; to block up a passage.
33.
to fit with blocks; mount on a block.
34.
to shape or prepare on or with a block:
to block a hat; to block a sweater.
35.
to join (the ends of boards or the like) by fastening to a block of wood.
36.
Theater.
  1. Also, block out. to plan or work out the movement of performers in a play, pageant, etc.:
    Tomorrow we'll block act one.
  2. to draw a floor plan on (a stage) in order to indicate placement of scenery, stage property, etc.
37.
Pathology, Physiology. to stop the passage of impulses in (a nerve).
38.
Computers. to group (contiguous data) together so as to allow to be read or written in a single operation.
39.
Sports. to hinder or bar the actions or movements of (an opposing player), especially legitimately.
40.
Glassmaking.
  1. to shape (a molten gather) in a wet cup of wood or metal.
  2. to plunge a block of wood into (molten glass) to aid in refining the glass.
41.
Metalworking. to give (a forging) a rough form before finishing.
42.
Electronics. to apply a high negative bias to the grid of (a vacuum tube), for reducing the plate current to zero.
verb (used without object)
43.
to act so as to obstruct an opponent, as in football, hockey, and basketball:
He doesn't get many baskets, but he sure can block.
44.
Theater. to block a play, act, scene, stage, etc.:
The director will block tomorrow.
45.
to suffer a block.
Verb phrases
46.
block in/out, to sketch or outline roughly or generally, without details:
She blocked out a color scheme for the interiors.
47.
block out,
  1. block (def 36a).
  2. Basketball. to box out.
Idioms
48.
put / go on the block, to offer or be offered for sale at auction:
to put family heirlooms on the block.
Origin
1275-1325
1275-1325; Middle English blok log, stump (< Middle French bloc) < Middle Dutch blok; perhaps akin to balk
Related forms
blockable, adjective
reblock, verb (used with object)
subblock, noun
unblocked, adjective
Can be confused
bloc, block.
Synonyms
12. impediment, blockade, barrier, stoppage, jam. 32. close, blockade, impede; hinder, deter, stop.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for blocks out

block

/blɒk/
noun
1.
a large solid piece of wood, stone, or other material with flat rectangular sides, as for use in building
2.
any large solid piece of wood, stone, etc, usually having at least one face fairly flat
3.
such a piece on which particular tasks may be done, as chopping, cutting, or beheading
4.
Also called building block. one of a set of wooden or plastic cubes as a child's toy
5.
a form on which things are shaped or displayed: a wig block
6.
(slang) a person's head (esp in the phrase knock someone's block off)
7.
(Austral & NZ, slang) do one's block, to become angry
8.
a dull, unemotional, or hardhearted person
9.
a large building of offices, flats, etc
10.
  1. a group of buildings in a city bounded by intersecting streets on each side
  2. the area or distance between such intersecting streets
11.
(Austral & NZ) an area of land for a house, farm, etc
12.
(Austral & NZ) a log, usually a willow, fastened to a timber base and used in a wood-chopping competition
13.
an area of land, esp one to be divided for building or settling
14.
15.
  1. a piece of wood, metal, or other material having an engraved, cast, or carved design in relief, used either for printing or for stamping book covers, etc
  2. (Brit) a letterpress printing plate, esp one mounted type-high on wood or metal
16.
a casing housing one or more freely rotating pulleys See also block and tackle
17.
(mainly US & Canadian) on the block, up for auction
18.
the act of obstructing or condition of being obstructed, as in sports
19.
an obstruction or hindrance
20.
(pathol)
  1. interference in the normal physiological functioning of an organ or part
  2. See heart block
  3. See nerve block
21.
(psychol) a short interruption of perceptual or thought processes
22.
obstruction of an opponent in a sport
23.
  1. a section or quantity, as of tickets or shares, handled or considered as a single unit
  2. (as modifier): a block booking, block voting
24.
  1. a stretch of railway in which only one train may travel at a time
  2. (as modifier): a block signal
25.
an unseparated group of four or more postage stamps Compare strip1 (sense 3)
26.
a pad of paper
27.
(computing) a group of words treated as a unit of data on a tape, disk, etc
28.
(athletics) short for starting block
29.
(cricket) a mark made near the popping crease by a batsman to indicate his position in relation to the wicket
30.
(informal) a chip off the old block, a person who resembles one of his or her parents in behaviour
verb (mainly transitive)
31.
to shape or form (something) into a block
32.
to fit with or mount on a block
33.
to shape by use of a block: to block a hat
34.
(often foll by up) to obstruct (a passage, channel, etc) or prevent or impede the motion or flow of (something or someone) by introducing an obstacle: to block the traffic, to block up a pipe
35.
to impede, retard, or prevent (an action, procedure, etc)
36.
to stamp (a title, design, etc) on (a book cover, etc) by means of a block (see sense 12), esp using gold leaf or other foil
37.
(esp of a government or central bank) to limit the use or conversion of assets or currency
38.
(also intransitive) (sport) to obstruct or impede movement by (an opponent)
39.
(intransitive) to suffer a psychological block
40.
to interrupt a physiological function, as by use of an anaesthetic
41.
(also intransitive) (cricket) to play (a ball) defensively
See also block in, block out
Derived Forms
blocker, noun
Word Origin
C14: from Old French bloc, from Dutch blok; related to Old High German bloh
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for blocks out

block

n.

"solid piece," c.1300, from Old French bloc "log, block" of wood (13c.), via Middle Dutch bloc "trunk of a tree" or Old High German bloh, from a common Germanic source, from PIE *bhlugo-, from *bhelg- "a thick plank, beam" (see balk).

Meaning "mould for a hat" is from 1570s. Slang sense of "head" is from 1630s. Extended sense of "obstruction" is first recorded 1640s. In cricket from 1825; in U.S. football from 1912. The meaning in city block is 1796, from the notion of a "compact mass" of buildings; slang meaning "fashionable promenade" is 1869.

BLOCK. A term applied in America to a square mass of houses included between four streets. It is a very useful one. [Bartlett]

v.

"obstruct," 1590s, from French bloquer "to block, stop up," from Old French bloc (see block (n.)). Meaning "to make smooth or to give shape on a block" is from 1620s. Stage and theater sense is from 1961. Sense in cricket is from 1772; in U.S. football from 1889. Related: Blocked; blocking.

Online Etymology Dictionary, © 2010 Douglas Harper
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blocks out in Medicine

block (blŏk)
n.

  1. Interruption, especially obstruction, of a normal physiological function.

  2. Interruption, complete or partial, permanent or temporary, of the passage of a nervous impulse.

  3. Atrioventricular block.

  4. Sudden cessation of speech or a thought process without an immediate observable cause, sometimes considered a consequence of repression.

v. blocked, block·ing, blocks
To arrest passage through; obstruct.
block'age (blŏk'ĭj) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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blocks out in Science
block and tackle
  (blŏk)   
An arrangement of pulleys and ropes used to reduce the amount of force needed to move heavy loads. One pulley is attached to the load, and rope or chains connect this pulley to a fixed pulley. Each pulley may have multiple grooves or wheels for the rope to pass over numerous times. Pulling the rope or chain slowly draws the load-bearing pulley toward the fixed one with high mechanical advantage.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for blocks out

block

adjective

Stupid (1980s+ Students)

noun

The head (1630s+)

Related Terms

gapers' block, knock someone's block off, new kid on the block


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with blocks out
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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14
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