Tracheophonae
Pronunciation : Tra`che*oph"o*n? (
Part of Speech : n.
Etymology : [NL., from trachea + Gr. fonei^n to sound.] (Zo?l.)
Definition : Defn: A group of passerine birds having the syrinx at the lower end of the trachea.
pl.
Source : Webster's Unabridged Dictionary, 1913