Search Result for "lights-out": 
Wordnet 3.0

NOUN (2)

1. a prescribed bedtime;

2. (military) signal to turn the lights out;
[syn: taps, lights-out]


The Collaborative International Dictionary of English v.0.48:

lights-out \lights-out\ n. a signal to turn the lights out. Syn: taps. [WordNet 1.5]
WordNet (r) 3.0 (2006):

lights-out n 1: a prescribed bedtime 2: (military) signal to turn the lights out [syn: taps, lights-out]