noun a bird's horny projecting jaws; a bill.
verb not applicable
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noun a bird's crop or stomach, especially when gorged with food
noun a sharp, hooked claw of a bird of prey or other predatory animal
noun a bone in the foot of vertebrates, situated between the tibia and the metatarsus
noun a structure extending from the side of an object, such as an aircraft or building
verb to travel through the air by using wings
noun a common cavity at the end of the digestive tract for the release of both excretory and genital products in vertebrates