Illustrated Companion to the Latin Dictionary/Excubitorium

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

EXCUBITO'RIUM. The post where a corps de garde is stationed; of these there were fourteen in Rome itself, one for each of the regions into which that city was divided. P. Victor. de Reg. Urb. Rom.