LATIN DICTIONARYLexicon Latīnum
adjective

genī

genī (indeclinable)
Classical[ˈɡɛ.niː]Ecclesiastical[ˈd͡ʒɛː.ni]

Meaning

  1. New Latinindeclinablenonstandardchin
    spīna genī superior

Origins

A corruption of γένειον (the correct genitive form would be genīī. It isn't considered standard in the modern anatomical nomenclature and should be replaced by mentālis.

Quick answers

What does genī mean in Latin?
genī, a adjective, means “chin”.
How do you pronounce genī?
In classical Latin, [ˈɡɛ.niː]; in ecclesiastical (church) Latin, [ˈd͡ʒɛː.ni].