| Noun | 1. | bird's foot - the foot of a bird bird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings animal foot, foot - the pedal extremity of vertebrates other than human beings claw - a bird's foot zygodactyl foot - a bird's foot having the first and fourth toes of each foot directed backward and the second and third forward heterodactyl foot - a bird's foot having the first and second toes of each foot directed backward and the third and fourth forward webbed foot - a bird's foot with folds of skin between the toes lobate foot - a bird's foot having separate toes each with membranous flaps along the sides talon - a sharp hooked claw especially on a bird of prey |