P / Pīso
noun

Pīso

gen. Pīsōnis · gender masculine · decl. 3rd
a Roman surname in the
a Roman surname in the gens Calpurnia; v. Calpurnius, Cic. Font. 13, 39; Juv. 5, 109.—Hence,
belonging to a Piso; Pisonian
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.