LATIN DICTIONARYLexicon Latīnum
proper noun · femininefirst declension

Mona

Mona f sg (genitive Monae)
Classical[ˈmɔ.na]Ecclesiastical[ˈmɔː.na]

Meaning

  1. femininesingularThe island of Anglesey

Declension

declension
formsingularplural
nominativeMona—
genitiveMonae—
dativeMonae—
accusativeMonam—
ablativeMonā—
vocativeMona—

Mŏna, ae, f., = Μόνα,
I. the name of two islands.
I. The Isle of Man, near Britain, Caes. B. G. 5, 13.—
II. The Isle of Anglesea, Tac. A. 14, 29; id. Agr. 14; 18; Plin. 2, 75, 77, § 187.

Origins

Borrowed from Ancient Greek Μόνα (Móna). Cognate with the Celtic names of other isles, from Proto-Celtic *moniyos (related to Welsh mynydd, Cornish menydh, Breton menez), from Proto-Indo-European *men- (“to tower, stand out”) (compare mōns).

In the Academy Smith's classical dictionaries

Quick answers

What does Mona mean in Latin?
Mona, a proper noun, means “The island of Anglesey”.
What is the genitive of Mona?
The genitive singular is Monae. Mona is feminine, first declension.
How do you pronounce Mona?
In classical Latin, [ˈmɔ.na]; in ecclesiastical (church) Latin, [ˈmɔː.na].