1. [ adjective ] relating to or characteristic of the passeriform birds
Related terms: nonpasserine
2. [ noun ] (zoology) 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
Synonyms: passeriform_bird
Related terms: bird sparrow tyrannid lyrebird scrubbird broadbill oscine wren Passeriformes
Similar spelling:   Passerina