Definition of nonpasserine
: not passerine; especially : of, relating to, or being any of various arboreal birds (as pigeons, woodpeckers, hummingbirds, and kingfishers) that are not passerines
First Known Use of nonpasserine
Learn More about nonpasserine
Britannica.com: Encyclopedia article about "nonpasserine"
Seen and Heard
What made you want to look up nonpasserine? Please tell us where you read or heard it (including the quote, if possible).