Four-legged creature (9)
I believe the answer is:
quadruped
(Other definitions for quadruped that I've seen before include "Mammal with four legs" , "horse, maybe" , "Four-legged animal" , "Horse, for example" , "Four-footed animal" .)
I believe the answer is:
quadruped
(Other definitions for quadruped that I've seen before include "Mammal with four legs" , "horse, maybe" , "Four-legged animal" , "Horse, for example" , "Four-footed animal" .)