What does pterus mean in Latin?

pterus, a adjective, means “winged”.

How do you pronounce pterus?

In classical Latin, [ˈptɛ.rʊs]; in ecclesiastical (church) Latin, [ˈptɛː.rus].

adjectivefirst/second-declension adjective

pterus (feminine ptera, neuter pterum)

Classical[ˈptɛ.rʊs]Ecclesiastical[ˈptɛː.rus]

singular
form	masculine	feminine	neuter
nominative	pterus	ptera	pterum
genitive	pterī	pterae	pterī
dative	pterō	pterae	pterō
accusative	pterum	pteram	pterum
ablative	pterō	pterā	pterō
vocative	ptere	ptera	pterum

plural
form	masculine	feminine	neuter
nominative	pterī	pterae	ptera
genitive	pterōrum	pterārum	pterōrum
dative	pterīs	pterīs	pterīs
accusative	pterōs	pterās	ptera
ablative	pterīs	pterīs	pterīs
vocative	pterī	pterae	ptera

New Latin; from Ancient Greek πτερόν (pterón, “wing”).