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cat

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cat

[kat] noun, verb, cat⋅ted, cat⋅ting.
–noun
1. a small domesticated carnivore, Felis domestica or F. catus, bred in a number of varieties.
2. any of several carnivores of the family Felidae, as the lion, tiger, leopard or jaguar, etc.
3. Slang.
a. a person, esp. a man.
b. a devotee of jazz.
4. a woman given to spiteful or malicious gossip.
5. the fur of the domestic cat.
6. a cat-o'-nine-tails.
7. Games.
a. Chiefly British. the tapering piece of wood used in the game of tipcat.
b. Chiefly British. the game itself.
c. four old cat, one old cat, three old cat, two old cat.
8. a catboat.
9. a catamaran.
10. a catfish.
11. Nautical. a tackle used in hoisting an anchor to the cathead.
12. a double tripod having six legs but resting on only three no matter how it is set down, usually used before or over a fire.
13. Navy Informal. catapult (def. 2).
14. (in medieval warfare) a movable shelter for providing protection when approaching a fortification.
–verb (used with object)
15. to flog with a cat-o'-nine-tails.
16. Nautical. to hoist (an anchor) and secure to a cathead.
–verb (used without object)
17. British Slang. to vomit.
18. cat around, Slang.
a. to spend one's time aimlessly or idly.
b. to seek sexual activity indiscriminately; tomcat.
19. bell the cat, to attempt something formidable or dangerous.
20. let the cat out of the bag, to divulge a secret, esp. inadvertently or carelessly: He let the cat out of the bag, and the surprise party wasn't a surprise after all.

Origin:
bef. 900; ME cat, catte, OE catt (masc.), catte (fem.); c. OFris, MD katte, OHG kazza, ON kǫttr, Ir cat, Welsh cath (Slavic *kotŭ, Lith katė̃ perh. < Gmc), LL cattus, catta (first attested in the 4th century, presumably with the introduction of domestic cats); ult. orig. obscure

Cat

[kat]
Trademark. a Caterpillar tractor.

CAT

1. clear-air turbulence.
2. Medicine/Medical. computerized axial tomography.
Compare CAT scanner.

cat.

1. catalog; catalogue.
2. catechism.

cata-

a prefix meaning “down,” “against,” “back,” occurring originally in loanwords from Greek (cataclysm; catalog; catalepsy); on this model, used in the formation of other compound words (catagenesis; cataphyll).
Also, cat-, cath-, kata-.


Origin:
< Gk kata-, comb. form of katá down, through, against, according to, towards, during

clear-air turbulence

[kleer-air]
–noun
atmospheric turbulence, sometimes severe, occurring in air devoid of clouds or other visible indicators that turbulence might be present. Abbreviation: CAT

Origin:
1950–55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To cat
cat   (kāt)   
n.  
    1. A small carnivorous mammal (Felis catus or F. domesticus) domesticated since early times as a catcher of rats and mice and as a pet and existing in several distinctive breeds and varieties.

    2. Any of various other carnivorous mammals of the family Felidae, which includes the lion, tiger, leopard, and lynx.

    3. The fur of a domestic cat.

    4. A person, especially a man.

    5. A player or devotee of jazz music.

    6. A cathead.

    7. A device for raising an anchor to the cathead.

    8. A catboat.

    9. A catamaran.

  1. Informal A woman who is regarded as spiteful.

  2. Slang

    1. A person, especially a man.

    2. A player or devotee of jazz music.

    3. A cathead.

    4. A device for raising an anchor to the cathead.

    5. A catboat.

    6. A catamaran.

  3. A cat-o'-nine-tails.

  4. A catfish.

  5. Nautical

    1. A cathead.

    2. A device for raising an anchor to the cathead.

    3. A catboat.

    4. A catamaran.

v.   cat·ted, cat·ting, cats

v.   tr. Nautical
To hoist an anchor to (the cathead).
v.   intr. Slang
To look for sexual partners; have an affair or affairs: "catting around with every lady in sight" (Gore Vidal).

[Middle English, from Old English catt, from Germanic *kattuz. Sense 6d, short for catamaran.]
CAT  
abbr.  
  1. clear-air turbulence

  2. computerized axial tomography

clear-air turbulence   (klîr'âr')
n.   Abbr. CAT
Atmospheric turbulence that occurs under tranquil and cloudless conditions and subjects aircraft to strong updrafts and downdrafts.
com·put·er·ized axial tomography   (kəm-pyōō'tə-rīzd')   
n.   Abbr. CAT
Tomography in which computer analysis of a series of cross-sectional scans made along a single axis of a bodily structure or tissue is used to construct a three-dimensional image of that structure. The technique is used in diagnostic studies of internal bodily structures, as in the detection of tumors or brain aneurysms.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: cat
Pronunciation: 'kat
Function: noun
often attributive 1 : a carnivorous mammal (Felis catus) long domesticated and keptas a pet or for catching rats and mice
2 : any of a family (Felidae) of mammals including the domestic cat, lion, tiger, leopard, jaguar, cougar, wildcat, lynx, and cheetah

Main Entry: CAT
Function: abbreviation
computed axial tomography; computerized axial tomography
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

CAT abbr.
computerized axial tomography

cata- pref.

  1. Down: catabolism.

  2. Reverse; backward; degenerative: cataplasia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
clear-air turbulence   (klîr'âr')  Pronunciation Key 
Atmospheric turbulence that occurs under tranquil and cloudless conditions at high altitudes near jet streams, mountain ranges, and developing storm systems. It subjects aircraft to strong updrafts and downdrafts.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Computing Dictionary

CAT
Common Abstract Tree Language. R. Voeller & Uwe Schmidt, U Kiel, Germany 1983. Universal intermediate language, used by Norsk Data in their family of compilers. "A Multi-Language Compiler System with Automatically Generated Codegenerators, U. Schmidt et al, SIGPLAN Notices 19(6):202-2121 (June 1984).
[The Jargon File]

cat tool
(From "catenate") Unix's command which copies one or more entire files to the screen or some other output sink without pause.
See also dd, BLT.
Among Unix fans, cat is considered an excellent example of user-interface design, because it delivers the file contents without such verbosity as spacing or headers between the files (the pr command can be used to do this), and because it does not require the files to consist of lines of text, but works with any sort of data.
Among Unix haters, cat is considered the canonical example of *bad* user-interface design, because of its woefully unobvious name. It is far more often used to blast a file to standard output than to concatenate files. The name "cat" for the former operation is just as unintuitive as, say, LISP's cdr.
Of such oppositions are holy wars made.
(1994-11-29)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Abbreviations & Acronyms
cat
cataract
CAT
  1. Caterpillar Inc.

  2. clear air turbulence

  3. computerized axial tomography

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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