pistillum | pistillus, i (noun N.m) : n., and , , m.
* A pounder, pestle of a mortar, Plaut. Aul. 1, 2, 17: semen sinapis in mortarium conicito et pistillis conterito,Col. 12, 55; Plin. 34, 18, 50, § 169: pistillum grande est, Auct. ap. Non. 221, 5 (yet pastillum appears to be the more correct reading).