Illustrated Companion to the Latin Dictionary/Chiliarchus

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. 

CHILIAR'CHUS or CHILIAR'CHOS (χιλιάρχης or χιλίαρχος). The commander of a thousand men; a word more especially employed by the Greeks to designate the Persian vizîr (Xen. Cyrop. ii. 1. 23. Nepos, Con. 3.); and applied by the Romans to an officer who commanded the marines, or soldiers who manned a fleet. Tac. Ann. xv. 51.