LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Tacitus

Tacitus m sg (genitive Tacitī)
Classical[ˈta.kɪ.tʊs]Ecclesiastical[ˈtaː.t͡ʃi.tus]

Meaning

  1. masculinesingularA Roman cognomen, notably borne by Publius (or Gaius) Cornelius Tacitus (c.56-117), a historian of ancient Rome and Marcus Claudius Tacitus (c.200-275), a Roman emperor.

Latīnē defined in Latin in our graded readers

quī tacet; tacitī spectant.
tacitus -a -um — in Mille Verba, Theātrum

Declension

declension
formsingularplural
nominativeTacitus—
genitiveTacitī—
dativeTacitō—
accusativeTacitum—
ablativeTacitō—
vocativeTacite—

tăcĭtus, a, um, Part. and P. a. of taceo.
Tăcĭtus, i, m. v. taceo, P. a., C.,
I. a Roman proper name; esp.,
I. Cornelius Tacitus, the greatest Roman historian of the imperial epoch, born between A. D. 50 and A. D. 60; flourished under Trajan, and was a friend of the younger Pliny, Plin. Ep. 2, 1, 6; 2, 11, 2; Sid. Ep. 4, 14; 4, 22.—
II. M. Claudius Tacitus, Roman emperor A. D. 275, Vop. Tac. 1 sqq.; Eutr. 9, 16; Aur. Vict. Caes. 36.

Origins

From tacitus (“silent”).

Quick answers

What does Tacitus mean in Latin?
Tacitus, a proper noun, means “A Roman cognomen, notably borne by Publius (or Gaius) Cornelius Tacitus (c.56-117), a historian of ancient Rome and Marcus Claudius Tacitus (c.200-275), a Roman emperor.”.
What is the genitive of Tacitus?
The genitive singular is Tacitī. Tacitus is masculine, second declension.
How do you pronounce Tacitus?
In classical Latin, [ˈta.kɪ.tʊs]; in ecclesiastical (church) Latin, [ˈtaː.t͡ʃi.tus].