LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Triārius

Triārius m sg (genitive Triāriī or Triārī)
Classical[triˈaː.ri.ʊs]Ecclesiastical[triˈaː.ri.us]

Meaning

  1. A Roman cognomen — famously held by
  2. Gaius Valerius Triarius, a Roman praetor

Declension

declension
formsingularplural
nominativeTriārius—
genitiveTriāriī
Triārī
—
dativeTriāriō—
accusativeTriārium—
ablativeTriāriō—
vocativeTriārī—

Trĭārĭus, ii, m.,
I. a surname in the gens Valeria.
I. C. Valerius Triarius, a friend of Cicero, Cic. Brut. 76, 266; he is introduced as a speaker in Cicero's treatise de Finibus; v. Cic. Fin. 1, 15, 13 sq.—
II. His father was named L. Valerius Triarius, Cic. Verr. 1, 14, 37.—
III. P. Valerius Triarius, the accuser of M. Scaurus, Cic. Att. 4, 16, 8; 4, 17, 2.

Origins

From triārius (“a veteran hoplite”).

Quick answers

What does Triārius mean in Latin?
Triārius, a proper noun, means “A Roman cognomen — famously held by”.
What is the genitive of Triārius?
The genitive singular is Triāriī. Triārius is masculine, second declension.
How do you pronounce Triārius?
In classical Latin, [triˈaː.ri.ʊs]; in ecclesiastical (church) Latin, [triˈaː.ri.us].