† cerast(eObs. [a. F. céraste (Cotgr.), ad. L. cerastēs, a. Gr. κεράστης.] = next. 1572J. Bossewell Armorie ii. 62 b, O. beareth sable, a ceraste nowey d'Argent. This is an horned Serpente, as Isidore saithe.1608Topsell Serpents 732 Cerasts and lean Hæmorrhs are ever lame.