Lu·per·ca·li·a 
(l′pər-kālē-ə, -kālyə)
(l′pər-kālē-ə, -kālyə)n.
A fertility festival in ancient Rome, celebrated on February 15 in honor of the pastoral god Lupercus.
[Latin Lupercālia, from Lupercus, Roman god of flocks.]
Lu′per·cali·an adj.