gullet

noun

1. The throat or esophagus.

   “Turning a national tragedy into something a person can pay $12 to watch while shoveling popcorn down their gullet struck detractors as perverse, though critics spilled a goodly amount of e-ink debating the actual merits of the work itself.”

2. The cytopharynx of a ciliate, through which food is ingested.
3. The space between the teeth of a saw blade.
4. A channel for water.
5. A preparatory cut or channel in excavations, of sufficient width for the passage of earth wagons.
6. The wide space under the pommel of a saddle; the hollow over the withers of a saddled animal.

verb

1. To make grooves or indentations.

   “The better way is to gullet or "gum" out the teeth on a grinder. Thin, rubber bonded wheels known as Elastic wheels may be obtained in any desired thickness, and it is reasonably easy to get a wheel to suit the size of teeth to be gulleted.”