The quadrupeds include almost all the mammals. (Among the exceptions are whales, bats, and humans.) The Greek equivalent of this Latin word is tetrapod. However, the two are not identical, since the tetrapod classification includes bipeds such as birds, in which two of the limbs are no longer used for walking. Insects all have six legs, of course, and in the sea there are eight-legged octopods (including the octopus). But there are no animals of any kind with an odd number of legs.
Examples of quadruped in a Sentence
Horses and cows are quadrupeds.
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The quadruped bot has four legs that can be equipped with wheels instead of conventional foot pads.—New Atlas, 3 Sep. 2025 The quadruped is currently deployed at car manufacturing sites and in hazardous industrial areas around the world.—Mack Degeurin, Popular Science, 3 Sep. 2025 Each environment teaches the quadruped something new.—Neetika Walter, Interesting Engineering, 22 Aug. 2025 The August trip to White Sands showed the quadruped could act autonomously.—Jennifer Kite-Powell, Forbes.com, 22 Aug. 2025 This is another quadruped exercise that works the glutes, improving the stability and strength of the hip joint.—Jakob Roze, Health, 19 Aug. 2025 Less than two weeks after its last release, MagicLab unveils another breakthrough — MagicDog-W, the wheeled quadruped robot.—IEEE Spectrum, 25 July 2025 More Kent Nishimura/AP A robotic quadruped, also known as a robot dog, during the US Army's 250th Anniversary Parade in Washington, DC, US, on Saturday, June 14, 2025.—Hannah Parry, MSNBC Newsweek, 15 June 2025
Word History
Etymology
Latin quadruped-, quadrupes, from quadruped-, quadrupes, adjective, having four feet, from quadri- + ped-, pes foot — more at foot
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