oscines

from WordNet (r) 3.0 (2006)

Oscines
    n 1: two names for the suborder of typical songbirds [syn:
         {Oscines}, {suborder Oscines}, {Passeres}, {suborder
         Passeres}]

from The Collaborative International Dictionary of English v.0.48

Oscines \Os"ci*nes\, n. pl. [L. oscen, -inis.] (Zool.)
   Singing birds; a group of the Passeres, having numerous
   syringeal muscles, conferring musical ability.
   [1913 Webster]