Illustrated Companion to the Latin Dictionary/Campidoctor

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. 

CAMPIDOC'TOR (ὁπλοδιδακτής). A drill sergeant, who taught the recruits their exercises in the Campus Martius. Veget. Mil. iii. 6 and 8. Ammian. xv. 3. 10.