defencede·fence /dɪˈfens/ British EnglishBrE, defense American EnglishAmE noun [countableC] 1LAWthe things that are said in a court of law to try to prove that someone is not guilty of a crime
I am unhappy about the way my barrister is conducting my defence.
2LAW the defence the lawyers in a court of law who try to prove that someone is not guilty of a crime
the chief witness for the defence
The defense argued that the case should be dropped. → compare prosecution
3FINANCE actions taken by a company to prevent a takeover that it does not want → crown jewels defence → Pacman defense