Lupercal

Lu-pẽr'cal, n. sing., Lū'per-cā'li-ȧ, n. pl. [Lat. lupercalis, from Lupercal, a grotto in the Palatine Hill, sacred to Lupercus, the Lycean Pan, from lupus, the wolf; so called because he kept off the wolves.] (Rom. Antiq.) A feast of the Romans in honor of Pan.

☞ In Shakespeare, the accentuation is Lu'per-cal.