from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A four-footed animal.
- adj. Four-footed: a quadruped mammal.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a four-footed or four-legged animal
- n. a mammal ambulating on all fours
from the GNU version of the Collaborative International Dictionary of English
- adj. Having four feet.
- n. An animal having four feet, as most mammals and reptiles; -- often restricted to the mammals.
from The Century Dictionary and Cyclopedia
- Four-footed; having four limbs fitted for sustaining the body and for progression; habitually going on all fours: opposed to aliped and biped: correlated with quadrumanous and pedimanous: chiefly said of mammals, but also of four-footed reptiles, as lizards and tortoises. Compare quadrumanous.
- n. A four-footed or quadruped animal: especially, a four-footed mammal, as distinguished from a biped, as man or a bird.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having four feet
- n. an animal especially a mammal having four limbs specialized for walking
From French quadrupède, from Middle French, from Latin stem of quadrupes ("four-footed, a four-footed animal"), from quadri- ("four-") + stem of pes ("foot") (Wiktionary)