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English definition of “lights-out”

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lights-out

noun [U] uk   /ˌlaɪtsˈaʊt/ us  
(at a school where children live or in the army) the time in the evening when the lights are switched off in the room where people sleep: No talking after lights-out!
Translations of “lights-out”
in Chinese (Traditional) (學校或部隊的)熄燈時間…
in Chinese (Simplified) (学校或部队的)熄灯时间…
(Definition of lights-out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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