LATIN DICTIONARYLexicon Latīnum
proper noun · masculinethird declension

Pīsō1

Pīsō m sg (genitive Pīsōnis)
Classical[ˈpiː.soː]Ecclesiastical[ˈpiː.s̬o]

Meaning

  1. A Roman cognomen — famously held by
  2. Gnaeus Calpurnius Piso, a Roman statesman

Declension

declension
formsingularplural
nominativePīsō—
genitivePīsōnis—
dativePīsōnī—
accusativePīsōnem—
ablativePīsōne—
vocativePīsō—

Pīso, ōnis, m.,
I. 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.

Origins

From pīsō (“mortar”).

In the Academy Smith's classical dictionaries

Biography & mythologyPisoPiso. 7. L. Calpurnius Piso Caesoninus, C. F. L. N., the son of No. 6, and father-in-law of the dictator Caesar. Asconius says (in Cic. Pis. p. 3, ed.…
noun · masculinethird declension
pīsō2
pīsō m (genitive pīsōnis)
Classical[ˈpiː.soː]Ecclesiastical[ˈpiː.s̬o]

Meaning

  1. mortar (hollow vessel used with a pestle)

Declension

declension
formsingularplural
nominativepīsōpīsōnēs
genitivepīsōnispīsōnum
dativepīsōnīpīsōnibus
accusativepīsōnempīsōnēs
ablativepīsōnepīsōnibus
vocativepīsōpīsōnēs

pīso, āre and ĕre, v. pinso.
pīso, ōnis, m. pinso, piso; cf. pistor,
I. a mortar: marmoreus, Marc. Emp. 8.

Origins

From the root of pīnsō, pistus + -ō, -ōn- (noun-forming suffix).

Quick answers

What does Pīsō mean in Latin?
Pīsō, a proper noun, means “A Roman cognomen — famously held by”.
What is the genitive of Pīsō?
The genitive singular is Pīsōnis. Pīsō is masculine, third declension.
How do you pronounce Pīsō?
In classical Latin, [ˈpiː.soː]; in ecclesiastical (church) Latin, [ˈpiː.s̬o].