Tracheophonae

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Tracheophonae \Tra`che*oph"o*nae\, n. pl. [NL., from trachea +
     Gr. fonei^n to sound.] (Zool.)
     A group of passerine birds having the syrinx at the lower end
     of the trachea.
     [1913 Webster]