Lewis Short
Lŭpercal | Lŭpercālis, e | Lŭpercālĭa, ĭum and ōrum (noun N.n) : Lupercalis
* A grotto on the Palatine Hill, sacred to the Lycean Pan (Lupercus): gelidā monstrat sub rupe Lupercal,Verg. A. 8, 342; v. Serv. ad loc.: quamquam Velia non est vilior quam Lupercal,Cic. Fam. 7, 20, 1: forsitan et quaeras cur sit locus ille Lupercal,Ov. F. 2, 381.—Hence
* Adj., of or belonging to the Lupercalia, Lupercal: sacrum,Suet. Aug. 31.
* Hence, plur. as subst.: , , , the festival of the Lycean Pan (Lupercus), celebrated in February, in which the priests (Luperci), with their faces painted and only a girdle about their loins (cinctuti, Ov. F. 5, 101), ran about the city striking the women whom they met, a ceremony supposed to make them fruitful: ad Lupercalia,Cic. Phil. 2, 34, 87; 2, 33, 84: hodierni diei res gestas Lupercalibus habebis,id. Q. Fr. 2, 13, 4; cf. Ov. F. 2, 267 sqq.; Serv. ad Verg. A. 8, 343.
Charlton T. Lewis, Charles Short, A Latin Dictionary