Illustrated Companion to the Latin Dictionary/Vicarius

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. 

VICA'RIUS. Literally, a substitute or deputy; and, specially, a slave kept by a fellow-slave as his fag (Hor. Sat. ii. 7. 79. Mart. ii. 18.); for the upper classes of these servants, called ordinarii, kept slaves of their own, who were purchased by themselves.