noun
Biological term for four-limbed vertebrates, including amphibians, reptiles, birds, and mammals. In everyday language, it may be understood as 'four-legged animal', but the scientific sense is broader.
四足動物には、カエルや鳥、人間も含まれる。
Tetrapods include frogs, birds, and humans.
Compound of 四 (four), 足 (foot/leg), and 動物 (animal). The term is a direct translation of the scientific concept 'tetrapod'.