n. any one of several species of small, short-tailed parrots, or parrakeets, of the genus Agapornis, and allied genera. They are mostly from Africa. Some species are often kept as cage birds, and are celebrated for the affection which they show for their mates.n. A small Australian parakeet (Melopsittacus undulatus) usually light green with black and yellow markings in the wild but bred in many colors; also called the budgie.n. small African parrot noted for showing affection for their mates.