Lupercalia

[loo-per-key-lee-uh, ‐keyl-yuh] /ˌlu pərˈkeɪ li ə, ‐ˈkeɪl yə/
noun, plural Lupercalia, Lupercalias.
1.
a festival held in ancient Rome on the 15th of February to promote fertility and ward off disasters.
British Dictionary definitions for Lupercalia

Lupercalia

/ˌluːpɜːˈkeɪlɪə/
noun (pl) -lia, -lias
1.
an ancient Roman festival of fertility, celebrated annually on Feb 15 See also Saint Valentine's Day
Derived Forms
Lupercalian, adjective
Word Origin
Latin, from Lupercālis belonging to Lupercus, a Roman god of the flocks
Word Origin and History for Lupercalia
n.

Roman festival held Feb. 15, in honor of Lupercus, god (identified with Lycean Pan) who had a grotto at the foot of the Palatine Hill, from Latin Lupercalia (plural), from Lupercalis "pertaining to Lupercus," whose name derives from lupus "wolf" (see wolf (n.)).