What is the Latin word for sentry?

The usual Latin words for “sentry” are excubiae, statiō, vigilia; also excubō, agō. The right choice depends on the sense; see the distinctions below.

English → Latin

“sentry” in Latin

excubiaewatching, keeping watch (outside); a watch, guard (group of people keeping watch)statiōoutpost, picket; station; watch vigiliawatch, vigil; wakefulness; city guard, constabulary, police excubōto lie or sleep outdoors; to keep watch agōto act, to behave; to do; to make (something that does not continue to exist after the maker stops)

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

sentry

A sentinel, Vid:

Watch guard, excubiae (plur.), statio [SYN. in SENTINEL]: vigiliae (plur., by night). To keep sentry, excubare (Cic.); excubias agere (Suet.); in statione esse (Caes.); stationem habere, agere (Liv.).

Quick answer

What is the Latin word for sentry?: The usual Latin words for “sentry” are excubiae, statiō, vigilia; also excubō, agō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.