quadruped /ˈkwɒdrʊpɛd 
/ ▸ noun an animal which has four feet, especially an ungulate mammal: smell is so important to quadrupeds
[as modifier] primitive quadruped simian species.
– ORIGIN early 17th century: from Latin quadrupes, quadruped-, from quadru- ‘four’ + pes, ped- ‘foot’.
EnglishOxford Dictionary of English
