The throat or esophagus.
A channel for water.
A preparatory cut or channel in excavations, of sufficient width for the passage of earth wagons.
The cytopharynx of a ciliate, through which food is ingested.
The space between the teeth of a saw blade.
The wide space under the pommel of a saddle; the hollow over the withers of a saddled animal.
A thin-walled, cartilaginous tube connecting the larynx to the bronchi.
One of the cuticle-lined primary tubes in the respiratory system of an insect, which extend throughout its body.