2 definitions
for Cerastes
From The Collaborative International Dictionary of English v.0.48 :
Cerastes \Ce*ras"tes\, n. [L., a horned serpent, fr. Gr.
kera`sths horned, fr. ke`ras horn.] (Zool.)
A genus of poisonous African serpents, with a horny scale
over each eye; the horned viper.
[1913 Webster]
From WordNet (r) 2.0 :
cerastes
n : highly venomous viper of northern Africa and southwestern
Asia having a horny spine above each eye [syn: horned
viper, sand viper, horned asp, Cerastes cornutus]