from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several venomous snakes of the genus Cerastes, such as the horned viper, having hornlike projections over each eye.
from the GNU version of the Collaborative International Dictionary of English
- n. A genus of poisonous African serpents, with a horny scale over each eye; the horned viper.
from The Century Dictionary and Cyclopedia
- n. Some horned viper.
- n. A genus of very venomous African and Indian serpents, the horned vipers, of the suborder Solenoglypha and family Viperidæ, having a horn over each eye, and the tail distinct from the body. C. vipera or hasselquisti is the horned viper of northern Africa, a species known to the ancients.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye
Middle English, from Latin cerastēs, from Greek kerastēs, horned serpent, from keras, horn; see ker-1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)