Entry 1 sense Webster, 1913 Lupercalia · Lu·per·ca·li·a · IPA /ˌluːpə(ɹ)ˈkeɪliə/ 01 n. pl. A feast of the Romans in honor of Lupercus, or Pan. 1. A feast of the Romans in honor of Lupercus, or Pan.(Rom. Antiq.)