Illustrated Companion to the Latin Dictionary/Arcarii

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. 

ARCA'RII. Officers who kept the accounts of the emperor's privy purse (fiscus), whence they were termed Caesariani; their offices were situated in the Forum of Trajan. Lamprid. Alex. Sev. 43. Fragment. jur. ante Justinean. a Maio edita, p. 38.

2. In private families, cashiers or servants who kept the accounts, and superintended the receipts and disbursements of their master's property. Inscript. ap. Grut. 641. 7, 8. Scaev. Dig. 40. 5. 41.