the act of fastening, securing, uniting, or the like.
anything that binds.
the covering within which the leaves of a book are bound.
a strip of material that protects or decorates the edge of a tablecloth, rug, etc.
Skiing. a mechanical device on a ski, usually made of metal, that fastens the boot securely to the ski.
that binds; restrictive.
having power to bind or oblige; obligatory: a binding promise.

1200–50; Middle English; see bind, -ing1, -ing2

bindingly, adverb
bindingness, noun
nonbinding, adjective
nonbindingly, adverb
nonbindingness, noun Unabridged


verb (used with object), bound, binding.
to fasten or secure with a band or bond.
to encircle with a band or ligature: She bound her hair with a ribbon.
to swathe or bandage (often followed by up ): to bind up one's wounds.
to fasten around; fix in place by girding: They bound his hands behind him.
to tie up (anything, as sheaves of grain).
to cause to cohere: Ice bound the soil.
to unite by any legal or moral tie: to be bound by a contract.
to hold to a particular state, place, employment, etc.: Business kept him bound to the city.
to place under obligation or compulsion (usually used passively): We are bound by good sense to obey the country's laws.
Law. to put under legal obligation, as to keep the peace or appear as a witness (often followed by over ): This action binds them to keep the peace. He was bound over to the grand jury.
to make compulsory or obligatory: to bind the order with a deposit.
to fasten or secure within a cover, as a book: They will bind the new book in leather.
to cover the edge of, as for protection or ornament: to bind a carpet.
(of clothing) to chafe or restrict (the wearer): This shirt binds me under the arms.
Medicine/Medical. to hinder or restrain (the bowels) from their natural operations; constipate.
to indenture as an apprentice (often followed by out ): In his youth his father bound him to a blacksmith.
verb (used without object), bound, binding.
to become compact or solid; cohere.
to be obligatory: an obligation that binds.
to chafe or restrict, as poorly fitting garments: This jacket binds through the shoulders.
to stick fast, as a drill in a hole.
Falconry. (of a hawk) to grapple or grasp prey firmly in flight.
the act or process of binding; the state or instance of being bound.
something that binds.
Music. a tie, slur, or brace.
Falconry. the act of binding.
Informal. a difficult situation or predicament: This schedule has us in a bind.
Verb phrases
bind off, Textiles. to loop (one stitch) over another in making an edge on knitted fabric.

before 1000; Middle English binden (v.), Old English bindan; cognate with Old High German bintan, Old Norse binda, Gothic bindan, Sanskrit bandhati (he) binds

bindable, adjective
misbind, verb, misbound, misbinding.
rebind, verb, rebound, rebinding.

bind, bound.

1. gird, attach, tie. 2. confine, restrain. 9. engage, oblige, obligate.

1. untie. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To binding
World English Dictionary
bind (baɪnd)
vb (often foll by up) (often foll by up) , binds, binding, bound
1.  to make or become fast or secure with or as if with a tie or band
2.  to encircle or enclose with a band: to bind the hair
3.  (tr) to place (someone) under obligation; oblige
4.  (tr) to impose legal obligations or duties upon (a person or party to an agreement)
5.  (tr) to make (a bargain, agreement, etc) irrevocable; seal
6.  (tr) to restrain or confine with or as if with ties, as of responsibility or loyalty
7.  (tr) to place under certain constraints; govern
8.  to bandage or swathe: to bind a wound
9.  to cohere or stick or cause to cohere or stick: egg binds fat and flour
10.  to make or become compact, stiff, or hard: frost binds the earth
11.  a.  (tr) to enclose and fasten (the pages of a book) between covers
 b.  (intr) (of a book) to undergo this process
12.  (tr) to provide (a garment, hem, etc) with a border or edging, as for decoration or to prevent fraying
13.  (tr; sometimes foll by out or over) to employ as an apprentice; indenture
14.  slang (intr) to complain
15.  (tr) logic See also bound to bring (a variable) into the scope of an appropriate quantifier
16.  something that binds
17.  the act of binding or state of being bound
18.  informal a difficult or annoying situation
19.  another word for bine
20.  music another word for tie
21.  mining clay between layers of coal
22.  fencing a pushing movement with the blade made to force one's opponent's sword from one line into another
23.  chess a position in which one player's pawns have a hold on the centre that makes it difficult for the opponent to advance there
[Old English bindan; related to Old Norse binda, Old High German bintan, Latin offendixband², Sanskrit badhnāti he binds]

binding (ˈbaɪndɪŋ)
1.  anything that binds or fastens
2.  the covering within which the pages of a book are bound
3.  the material or tape used for binding hems, etc
4.  imposing an obligation or duty: a binding promise
5.  causing hindrance; restrictive

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

O.E. bindan "to tie up with bonds" (literally and figuratively), also "to make captive; to cover with dressings and bandages" (class III strong verb; past tense band, pp. bunden), from PIE base *bhendh- "to bind" (see bend). A derived noun, in various senses, traces back to
late Anglo-Saxon times; meaning "tight or awkward situation" is from 1851.

mid-13c., action of bind (q.v.). Meaning "thing that binds" is from c.1300; "state of being bound" is from late 14c. Meaning "covering of a book" is recorded from 1640s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
bind   (bīnd)  Pronunciation Key 
To combine with, form a bond with, or be taken up by a chemical or chemical structure. An enzyme, for example, is structured in such a way as to be able to bind with its substrate.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Abbreviations & Acronyms
Berkeley Internet Name Domain
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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Example sentences
It is a critical decision since it is almost always binding.
Binding depends on a good fit of molecular shape and the presence of groups
  that interact chemically to stabilize binding.
Changing the direction you apply tension will change the binding order.
The rule of cause and effect is as binding in politics as in every other
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