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English definition of “defect”

defect

verb [I]     /dɪˈfekt/
to leave a country, political party, etc., especially in order to join an opposing one: When the national hockey team visited America, half the players defected. The British spy, Kim Philby, defected to the Soviet Union/defected from Britain in 1963.Running away and escaping defector     /dɪˈfek.tər/ US  /-tɚ/ noun [C] She was one of many Communist Party defectors.Runaways and refugees
(Definition of defect verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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