noun \ˈte-trə-ˌpäd\

Definition of TETRAPOD

:  a vertebrate (as an amphibian, a bird, or a mammal) with two pairs of limbs

Origin of TETRAPOD

New Latin tetrapodus, from Greek tetrapod-, tetrapous four-footed, from tetra- + pod-, pous foot — more at foot
First Known Use: circa 1891


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