What does lepidopterus mean in Latin?

lepidopterus, a adjective, means “scaly-winged; Lepidoptera—butterflies and moths”.

How do you pronounce lepidopterus?

In classical Latin, [ɫɛ.pɪˈdɔp.tɛ.rʊs]; in ecclesiastical (church) Latin, [le.piˈdɔp.te.rus].

adjectivefirst/second-declension adjective

lepidopterus (feminine lepidoptera, neuter lepidopterum)

Classical[ɫɛ.pɪˈdɔp.tɛ.rʊs]Ecclesiastical[le.piˈdɔp.te.rus]

singular
form	masculine	feminine	neuter
nominative	lepidopterus	lepidoptera	lepidopterum
genitive	lepidopterī	lepidopterae	lepidopterī
dative	lepidopterō	lepidopterae	lepidopterō
accusative	lepidopterum	lepidopteram	lepidopterum
ablative	lepidopterō	lepidopterā	lepidopterō
vocative	lepidoptere	lepidoptera	lepidopterum

plural
form	masculine	feminine	neuter
nominative	lepidopterī	lepidopterae	lepidoptera
genitive	lepidopterōrum	lepidopterārum	lepidopterōrum
dative	lepidopterīs	lepidopterīs	lepidopterīs
accusative	lepidopterōs	lepidopterās	lepidoptera
ablative	lepidopterīs	lepidopterīs	lepidopterīs
vocative	lepidopterī	lepidopterae	lepidoptera

New Latin; from Ancient Greek λεπίς (lepís, “scale, flake”) + -o- + Ancient Greek πτερόν (pterón, “wing”).