passerine adj 1: relating to or characteristic of the passeriform birds [ant: {nonpasserine}] n 1: perching birds mostly small and living near the ground with feet having 4 toes arranged to allow for gripping the perch; most are songbirds; hatchlings are helpless [syn: {passerine}, {passeriform bird}]
Passerine \Pas"ser*ine\, a. [L. passerinus, fr. passer a sparrow.] (Zool.) Of or pertaining to the {Passeres}. [1913 Webster] The columbine, gallinaceous, and passerine tribes people the fruit trees. --Sydney Smith. [1913 Webster]
Passerine \Pas"ser*ine\, n. (Zool.) One of the {Passeres}. [1913 Webster]