from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An organism that regulates its body temperature largely by exchanging heat with its surroundings; a poikilotherm.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a cold-blooded animal which regulates its body temperature by exchanging heat with its surroundings
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
Sorry, no etymologies found.