noun, noun which may take the genitive case particle 'no'
biped; bipedal animal
Refers to any animal that walks on two legs, including humans, birds, and some dinosaurs. Often used in biological or descriptive contexts.
Humans are a type of bipedal animal.
I am studying the gait of bipedal animals.
四足動物 means 'quadruped' or 'four-legged animal', contrasting with 二足動物.
Compound of 二 (two), 足 (leg/foot), and 動物 (animal). The reading is straightforward on'yomi.