public defender
noun [ C ] uk/ˌpʌb.lɪk dɪˈfen.dər/ us/ˌpʌb.lɪk dɪˈfen.dɚ/
（美国和其他国家）由政府支付费用，为请不起私人律师的被告辩护的律师
in the US and some other countries, a lawyer paid for by the government to represent an accused person who cannot pay for a private lawyer