LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Carnī

Carnī m pl (genitive Carnōrum)
Classical[ˈkar.niː]Ecclesiastical[ˈkar.ni]

Meaning

  1. An Alpine tribe who dwelt in the mountainous regions of Venetia and Noricum

Declension

declension
formsingularplural
nominative—Carnī
genitive—Carnōrum
dative—Carnīs
accusative—Carnōs
ablative—Carnīs
vocative—Carnī

Carni, ōrum, m.,
I. a Celtic people in Upper Italy, east of Aquileia, extending to Cärnthen, now Krain, Mel. 2, 4, 2; Plin. 3, 18, 22, § 127; Inscr. Orell. 4040; their chief town was Carnūs, untis, Liv. 43, 1, 2.— Hence, Carnĭcus, a, um: Alpes, the Carnic Alps, Plin. 3, 25, 28, § 147.

Origins

Certainly of Celtic origin, but of uncertain meaning. Compare Proto-Celtic *karnom (“heap of stones”).

In the Academy Smith's classical dictionaries

GeographyCarniEth. Carni (Eth. Κάρνοι), an Alpine tribe, who inhabited the ranges of those mountains which separated Venetia from Noricum, extending from Rhaetia on…

Quick answers

What does Carnī mean in Latin?
Carnī, a proper noun, means “An Alpine tribe who dwelt in the mountainous regions of Venetia and Noricum”.
What is the genitive of Carnī?
The genitive singular is Carnōrum. Carnī is masculine, second declension.
How do you pronounce Carnī?
In classical Latin, [ˈkar.niː]; in ecclesiastical (church) Latin, [ˈkar.ni].