Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
nonpasserine is an adjective meaning "relating to or characteristic of birds that are not perching birds". It carries one recorded sense.
relating to or characteristic of birds that are not perching birds
Definitions, synonyms and semantic relations for nonpasserine come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .