fistuca | An Elementary Latin Dictionary

fistuca
fistūca, ae, f., an instrument for ramming down , a rammer , beetle , Caes. B. G. 4, 17, 4; Cat...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Fistuca
·noun An instrument used by the ancients in driving piles. ...

Webster's Dictionary of the English Language