- passerine⇄adj. belonging to or having to do with the very large order of perching birds, including more than half of all birds, such as the warblers, sparrows, chickadees, wrens, thrushes, and swallows.
Ex. Among passerine birds the raven has the widest ran - passerine⇄noun a perching bird.
- passerine⇄passerine, adjective, noun.