Pisonianus

1.

pīso, āre and ĕre, v. pinso.

2.

pīso, ōnis, m. [pinso, piso; cf. pistor], a mortar:

marmoreus,

Mart. Emp. 8.

3.

Pīso, ōnis, m., a Roman surname in the gens Calpurnia;

v. Calpurnius,

Cic. Font. 13, 39; Juv. 5, 109.—Hence,

II.

Pīsōnĭ-ānus, a, um, adj., of or belonging to a Piso, Pisonian:

Pisoniana conjuratio,

Suet. Ner. 36: Pisoniano vitio, cum loqui nesciret, tacere non potuit (with reference to Cic. Pis. 1, 1, where Cicero charges Piso with lack of eloquence), Hier. Ep. 69, 2.