Illustrated Companion to the Latin Dictionary/Arcuballistarius
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.
ARCUBALLISTA'RIUS. One who manages the Arcuballista. Veget. Mil. iv. 21.