balista, balistārĭus, balistĭa, v. ballist-.
bālista see ball-. ...
An Elementary Latin Dictionary
Balista (Ballista), ae, f., a mountain in Liguria , Liv. 39, 2, 7; 40, 41, 2. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.