[tet.ra.pod] n [NL tetrapodus, fr. Gk tetrapod-, tetrapous four-footed, fr. tetra- + pod-, pous foot--more at foot] (ca. 1891): a vertebrate (as a frog, bird, or cat) with two pairs of limbs
TETRAPOD
Meaning of TETRAPOD in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012