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Jules, French physician, 1829-1883. See: Parrot disease.
any of a group of birds in the family Psittacidae which also includes cockatoos and lories. All are characterized by curved beaks with the lower one fitting inside the larger upper beak when they are closed. The typical parrots are the macaws, parakeets, lovebirds and budgerigars. They are characterized by their bright plumage, their gift of mimicry and their popularity as pets.
serious malocclusion of the incisors with the upper arcade protruding beyond the lower. Called also overshot. See also brachygnathia.