Noun defence has 10 senses
  1. defense mechanism, defense reaction, defence mechanism, defence reaction, defense, defence - (psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires
    --1 is a kind of psychoanalytic process; process, unconscious process
    --1 has particulars:
     compensation; conversion; denial; displacement; idealization, idealisation; intellectualization, intellectualisation; isolation; projection; rationalization, rationalisation; reaction formation; regression; repression
  2. defense, defence, defending team - (sports) the team that is trying to prevent the other team from scoring; "his teams are always good on defense"
    --2 is a kind of team, squad
    Antonyms: offense, offence
    Derived form: verb defend2
  3. defense, defence, defense team, defense lawyers - the defendant and his legal advisors collectively; "the defense called for a mistrial"
    --3 is a kind of collection, aggregation, accumulation, assemblage
    Derived form: verb defend6
  4. defense, defence, defense force, defence force - an organization of defenders that provides resistance against attack; "he joined the defense against invasion"
    --4 is a kind of organization, organisation
    --4 has particulars: bastion
    Derived form: verb defend3
  5. refutation, defense, defence - the speech act of answering an attack on your assertions; "his refutation of the charges was short and persuasive"; "in defense he said the other man started it"
    --5 is a kind of answer
    --5 has particulars: confutation; rebuttal
  6. defense, defence, vindication - the justification for some act or belief; "he offered a persuasive defense of the theory"
    --6 is a kind of justification
    --6 has particulars:
     apology, apologia; alibi; excuse, alibi, exculpation, self-justification
    Derived form: verb defend1
  7. defensive structure, defense, defence - a structure used for defense; "the artillery battered down the defenses"
    --7 is a kind of structure, construction
    --7 has particulars:
     cheval-de-frise, chevaux-de-frise; fortification, munition; fortress, fort; line of defense, line of defence; outwork; stronghold, fastness
  8. defense, defence, denial, demurrer - a defendant's answer or plea denying the truth of the charges against him; "he gave evidence for the defense"
    --8 is a kind of due process, due process of law
    --8 is a part of trial
    --8 has particulars: entrapment
  9. defense, defence, defensive measure - military action or resources protecting a country against potential enemies; "they died in the defense of Stalingrad"; "they were developed for the defense program"
    --9 is a kind of military action, action
    --9 has particulars:
     umbrella; air defense; stand; hasty defense, hasty defence; deliberate defense, deliberate defence; biological defense, biological defence, biodefense, biodefence; chemical defense, chemical defence; mining, minelaying; biological warfare defense, biological warfare defence, BW defense, BW defence
  10. defense, defence - protection from harm; "sanitation is the best defense against disease"
    --10 is a kind of protection