defense

[ dih-fens or, especially for 7, 9, dee-fens ]
/ dɪˈfɛns or, especially for 7, 9, ˈdi fɛns /

noun

verb (used with object), de·fensed, de·fens·ing.

Sports. to defend against (an opponent, play, or tactic).

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Also British, defence .

Origin of defense

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

OTHER WORDS FROM defense

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Medical definitions for defense

defense
[ dĭ-fĕns ]

n.

A means or method that helps protect the body or mind, as against disease or anxiety.

Other words from defense

de•fensive (-fĕnsĭv) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.