excubitorium

[ ek-skyoo-bi-tawr-ee-uh m, -tohr- ]
/ ɛkˌskyu bɪˈtɔr i əm, -ˈtoʊr- /

noun, plural ex·cu·bi·to·ri·a [ek-skyoo-bi-tawr-ee-uh, -tohr-] /ɛkˌskyu bɪˈtɔr i ə, -ˈtoʊr-/.

(in an ancient Roman city) a night watchman's post or sentry box.

Origin of excubitorium

< Latin excubitōrium, equivalent to excubi(tus) (past participle of excubāre to watch, literally, lie out; see ex-1, incubus) + -tōrium -tory2