Passerine songbird

• Of a songbird suborder
• Finch or shrike
• Bird of Paradise
• Finch or lark, e.g.
• Any singing bird
• Relating to songbirds
• Singing bird

Wiktionary Word definitions in Wiktionary
a. Of or pertaining to the songbirds (suborder Passeri). n. Any bird of the suborder Passeri (the songbirds), which have better vocal control than other birds.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Oscine \Os"cine\, a. (Zo["o]l.) Relating to the Oscines.