stand-to

Etymology
Shortened form of "stand-to-arms"

Noun

 * 1)  A state of readiness assumed by ground troops at dawn and dusk in wartime.
 * 2) * 1915, Robert Graves, Goodbye to All That, (1929), Penguin Modern Classics 1960, p. 86:
 * "Stand-to" at dusk for about an hour, work all night, "stand-to" for an hour before dawn. That's the general programme.

Verb

 * 1)  To assume such a state of readiness.