Any vertebrate having four legs or limbs, including the mammals, birds, and reptiles: snakes, whales, etc. are included in this group because they evolved from four-legged animals.
Webster's New World
A vertebrate animal with four feet, legs, or leglike appendages.
Concrete structures with 'arms' used to arrest wave energy along the shore in sea defence projects.
Having four limbs or feet.
Other Word Forms of Tetrapod
Origin of Tetrapod
From tetra- ("four") and -pod, from podos ("foot").
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