I.v. inch. n.
I. Lit., to grow very cold, to catch cold: “ne canes perfrigescant,” Varr. R. R. 2, 9, 13; Plin. 31, 6, 33, § 66: “ei, qui perfrixit, opus est in laconico sedere, donec insudet,” Cels. 1, 3: “si perfrixit, cantat bene,” Juv. 7, 194. —
II. Trop. (post-class.), M. Aur. ap. Front. Ep. ad M. Caes. 4, 5.