tetrapod

 
Pronunciation: /ˈtɛtrəpɒd/

noun

Zoology
  • a four-footed animal, especially a member of a group which includes all vertebrates higher than fishes.
    • Superclass Tetrapoda: the amphibians, reptiles, birds, and mammals
  • an object or structure with four feet, legs, or supports.

Origin:

early 19th century: from modern Latin tetrapodus, from Greek tetrapous, tetrapod- 'four-footed', from tetra- 'four' + pous 'foot'