Fistuca, fistucæ, pen. prod. fœm. gen. Vitruutus. An instrument to briue piles of woode into the grounde, called a water pile sledge, or a commaunder: also to beate stones in pauing, a tammer.
Fistúco, fistúcas, pen. prod. fistucâre. Plin. To briue in piles into the earth, or to ramme stones in pauing.
Lewis and Short: Latin dictionary
fistūca, ae, f., an instrument for ramming down, a rammer, beetle, Caes. B. G. 4, 17, 4; Cato, R. R. 28, 2; Plin. 36, 25, 61, 185.
fistūco, no perf., ātum, 1, v. a. [fistuca], to ram down or in, to ram fast: fundamenta, Cato, R. R. 18, 7: solum, Plin. 36, 25, 63, 188; Vitr. 7, 4 fin.: rudus pedali crassitudine, Plin. 36, 25, 62, 186.—In the part. perf. absol.: terram circa radices fistucato spissandam, by ramming down, i. q. fistucatione, Plin. 17, 11, 16, 87.