What does vinnulus mean in Latin?

vinnulus, a adjective, means “delightful, sweet (of voice)”.

How do you pronounce vinnulus?

In classical Latin, [ˈwɪn.nʊ.ɫʊs]; in ecclesiastical (church) Latin, [ˈvin.nu.lus].

adjectivefirst/second-declension adjective

vinnulus (feminine vinnula, neuter vinnulum)

Classical[ˈwɪn.nʊ.ɫʊs]Ecclesiastical[ˈvin.nu.lus]

singular
form	masculine	feminine	neuter
nominative	vinnulus	vinnula	vinnulum
genitive	vinnulī	vinnulae	vinnulī
dative	vinnulō	vinnulae	vinnulō
accusative	vinnulum	vinnulam	vinnulum
ablative	vinnulō	vinnulā	vinnulō
vocative	vinnule	vinnula	vinnulum

plural
form	masculine	feminine	neuter
nominative	vinnulī	vinnulae	vinnula
genitive	vinnulōrum	vinnulārum	vinnulōrum
dative	vinnulīs	vinnulīs	vinnulīs
accusative	vinnulōs	vinnulās	vinnula
ablative	vinnulīs	vinnulīs	vinnulīs
vocative	vinnulī	vinnulae	vinnula

vinnŭlus, a, um, adj. perh. for venerula from Venus,

I. delightful, sweet: oratio vinnula, venustula, Plaut. As. 1, 3, 70.

Probably from Proto-Indo-European *wenh₁- (“to wish, love”). See also Latin Venus, veneror and English wish.