from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various venomous snakes of the subfamily Crotalinae, such as the copperhead, rattlesnake, or fer-de-lance, characterized by a small sensory pit below each eye.
from The Century Dictionary.
- noun A venomous serpent of the family Crotalidæ, as a rattlesnake; a pit-headed viper: so called from the characteristic pit between the eyes and the nose. See
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Any of various
venomous snakes, of the family Crotalinae, found in Asiaand the Americas, with a deep pit or fossaon either side of the head that enables them to detect prey by infrared.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
Sorry, no etymologies found.
Sorry, no example sentences found.