Illustrated Companion to the Latin Dictionary/Tragularii

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. 

TRAGULA'RII. A class of soldiers whose duty it was to place and level the missiles, termed tragulae, to be discharged from a military engine. Veg. Mil. ii. 15.