LATIN DICTIONARYLexicon Latīnum
proper noun

Ŏnŏmastus

Meaning

  1. a Roman surname

Ŏnŏmastus, i, m., and -a, ae, f., = Ὀνομαστός, -ή,
I. a Roman surname, Liv. 39, 34; 40, 8; Tac. H. 1, 25; 1, 27; Inscr. Murat. 1144, 1; Inscr. Fabr. p. 751, n. 587.

In the Academy Smith's classical dictionaries

Quick answers

What does Ŏnŏmastus mean in Latin?
Ŏnŏmastus, a proper noun, means “a Roman surname”.