noun tet·ra·pod \ˈte-trə-ˌpäd\

Definition of tetrapod

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

Did You Know?

The earliest tetrapods, or "four-footed" animals, were mammal-like reptiles that evolved before the rise of the dinosaurs and ranged from mouse-sized to cow-sized. Today the tetrapods include the reptiles, the amphibians, the birds, and the mammals—including humans. Though the fish aren't classified as tetrapods, it's quite possible that our own limbs began as paired fins hundreds of millions of years ago.

Origin and Etymology of tetrapod

New Latin tetrapodus, from Greek tetrapod-, tetrapous four-footed, from tetra- + pod-, pous foot — more at foot

First Known Use: circa 1891

Learn More about tetrapod

Seen and Heard

What made you want to look up tetrapod? Please tell us where you read or heard it (including the quote, if possible).


to cast off or become cast off

Get Word of the Day daily email!