Lewis Short
(adjective) : āprīnus, a, um, aper
* Of or belonging to the wild boar: viscus, Lucil. ap. Charis. p. 63 P.: pulmo,Plin. 28, 16, 62, § 222: vesica,id. 28, 15, 60, § 215: fel,id. 28, 16, 62, § 221.—As a secondary form, Hyg. Fab. 69, has twice āprīnĕus, a, um, if the reading is correct.
Charlton T. Lewis, Charles Short, A Latin Dictionary