LATIN DICTIONARYLexicon Latīnum
numeralfirst/second-declension numeral

duodecimus

duodecimus (feminine duodecima, neuter duodecimum)
Classical[du.ɔˈdɛ.kɪ.mʊs]Ecclesiastical[du.oˈdɛː.t͡ʃi.mus]
Mille Verba core vocabulary

Meaning

  1. numeraltwelfth

Declension

singular
formmasculinefeminineneuter
nominativeduodecimusduodecimaduodecimum
genitiveduodecimīduodecimaeduodecimī
dativeduodecimōduodecimaeduodecimō
accusativeduodecimumduodecimamduodecimum
ablativeduodecimōduodecimāduodecimō
vocativeduodecimeduodecimaduodecimum
plural
formmasculinefeminineneuter
nominativeduodecimīduodecimaeduodecima
genitiveduodecimōrumduodecimārumduodecimōrum
dativeduodecimīsduodecimīsduodecimīs
accusativeduodecimōsduodecimāsduodecima
ablativeduodecimīsduodecimīsduodecimīs
vocativeduodecimīduodecimaeduodecima

dŭŏ-dĕcĭmus, a, um,
I. ord. num., the twelfth (a common word in Caes.): legio, Caes. B. G. 2, 23, 4; 2, 25, 1; 3, 1, 1; 7, 62, 4; id. B. C. 3, 34, 3.—Adv.: dŭŏdĕcĭmo, for the twelfth time: consul, Capitol. Anton. Pius, 1, § 8.

Origins

From duodecim (“twelve”).

Descendants
  • Englishduodecimate

Quick answers

What does duodecimus mean in Latin?
duodecimus, a numeral, means “twelfth”.
How do you pronounce duodecimus?
In classical Latin, [du.ɔˈdɛ.kɪ.mʊs]; in ecclesiastical (church) Latin, [du.oˈdɛː.t͡ʃi.mus].