What does longicornis mean in Latin?

longicornis, a adjective, means “long-horned”.

How do you pronounce longicornis?

In classical Latin, [ɫɔŋ.ɡɪˈkɔr.nɪs]; in ecclesiastical (church) Latin, [lon̠ʲ.d͡ʒiˈkɔr.nis].

adjectivethird-declension two-termination adjective

longicornis (neuter longicorne)

Classical[ɫɔŋ.ɡɪˈkɔr.nɪs]Ecclesiastical[lon̠ʲ.d͡ʒiˈkɔr.nis]

singular
form	masculine	feminine	neuter
nominative	longicornis	longicornis	longicorne
genitive	longicornis	longicornis	longicornis
dative	longicornī	longicornī	longicornī
accusative	longicornem	longicornem	longicorne
ablative	longicornī	longicornī	longicornī
vocative	longicornis	longicornis	longicorne

plural
form	masculine	feminine	neuter
nominative	longicornēs	longicornēs	longicornia
genitive	longicornium	longicornium	longicornium
dative	longicornibus	longicornibus	longicornibus
accusative	longicornīs longicornēs	longicornīs longicornēs	longicornia
ablative	longicornibus	longicornibus	longicornibus
vocative	longicornēs	longicornēs	longicornia

From longus (“long”) + cornus (“horn”).