- a signal by bugle or drum, sounded at night as an order to extinguish all lights, and sometimes performed as a postlude to a military funeral.
- mainly US
- (in army camps, etc) a signal given on a bugle, drum, etc, indicating that lights are to be put out
- any similar signal, as at a military funeral
- (in the Guide movement) a closing song sung at an evening camp fire or at the end of a meeting
