What does mesēs mean in Latin?

mesēs, a noun, means “north-east wind”.

What is the genitive of mesēs?

The genitive singular is mesae. mesēs is masculine, first declension.

In classical Latin, [ˈmɛ.seːs]; in ecclesiastical (church) Latin, [ˈmɛː.s̬es].

noun · masculinefirst declension

mesēs m (genitive mesae)

Classical[ˈmɛ.seːs]Ecclesiastical[ˈmɛː.s̬es]

mĕses, ae, m., = μέσης,

I. the northnortheast wind, between boreas and caecias, Plin. 2, 47, 46, § 120.

Borrowed from Ancient Greek μέσης (mésēs).