Word Study
cerastes
CIDE DICTIONARY
cerastes, n. [L., a horned serpent, fr. Gr. kera`sths horned, fr. ke`ras horn.].
A genus of poisonous African serpents, with a horny scale over each eye; the horned viper. [1913 Webster]
OXFORD DICTIONARY
cerastes, n. any viper of the genus Cerastes, esp. C. cerastes having a sharp upright spike over each eye and moving forward in a lateral motion.
Etymology
L f. Gk kerastes f. keras horn
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