vocal tract

Etymology
Compound of.

Noun

 * 1)  Portion of the human body where speech sounds are articulated; the oral cavity, nasal cavity, and pharynx.
 * 2)  Portion of a bird's anatomy that filters or modifies sound; the syrinx, oral cavity, and beak, plus portions of the esophagus and trachea.
 * 1)  Portion of a bird's anatomy that filters or modifies sound; the syrinx, oral cavity, and beak, plus portions of the esophagus and trachea.
 * 1)  Portion of a bird's anatomy that filters or modifies sound; the syrinx, oral cavity, and beak, plus portions of the esophagus and trachea.