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defense

[dih-fens or especially for 7, 9, dee-fens] /dɪˈfɛns or especially for 7, 9, ˈdi fɛns/
noun
1.
resistance against attack; protection:
Two more regiments are needed for the defense of the city.
2.
something that defends, as a fortification, physical or mental quality, or medication:
This fort was once the main defense of the island.
3.
the defending of a cause or the like by speech, argument, etc.:
He spoke in defense of the nation's foreign policy.
4.
a speech, argument, etc., in vindication:
She delivered a defense of free enterprise.
5.
Law.
  1. the denial or pleading of the defendant in answer to the claim or charge that has been made.
  2. the proceedings adopted by a defendant, or the defendant's legal agents, for defending against the charges that have been made.
  3. a defendant and his or her counsel.
6.
Psychology, defense mechanism (def 2).
7.
Sports.
  1. the practice or art of defending oneself or one's goal against attack, as in fencing, boxing, soccer, or football.
  2. the team attempting to thwart the attack of the team having the ball or puck.
  3. the players of a team who line up in their own defensive zone.
  4. the positions on the field, ice, etc., taken by such players.
8.
(initial capital letter). Also called Defense Department. Informal. the Department of Defense.
verb (used with object), defensed, defensing.
9.
Sports. to defend against (an opponent, play, or tactic).
Also, especially British, defence.
Origin
1250-1300
1250-1300; Middle English < Old French < Late Latin dēfēnsa a forbidding, noun use of feminine of past participle of Latin dēfendere to defend; replacing Middle English defens < Anglo-French, Old French < Medieval Latin defēnsum (thing) forbidden, neuter past participle of Latin dēfendere
Related forms
defenseless, adjective
defenselessly, adverb
defenselessness, noun
nondefense, noun, adjective
predefense, noun
undefensed, adjective
Synonyms
1. security, preservation, safeguard. 3. support, advocacy, justification.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for pre defense

defense

n.

c.1300, "forbidding, prohibition," also "action of guarding or protecting," from Old French defense, from Latin defensus, past participle of defendere "ward off, protect" (see defend). But it also arrived (without the final -e) from Old French defens, from Latin defensum "thing protected or forbidden," neuter past participle of defendere.

Defens was assimilated into defense, but not before it inspired the alternative spelling defence, via the same tendency that produced hence (hennis), pence (penies), dunce (Duns). First used 1935 as a euphemism for "national military resources." Defense mechanism in psychology is from 1913.

Online Etymology Dictionary, © 2010 Douglas Harper
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pre defense in Medicine

defense de·fense (dĭ-fěns')
n.
A means or method that helps protect the body or mind, as against disease or anxiety.


de·fen'sive (-fěn'sĭv) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang definitions & phrases for pre defense

defense

Related Terms

nickel defense


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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