1. (n.) The tube by which food and drink are carried from the pharynx to the stomach; the esophagus.

2. (n.) Something shaped like the food passage, or performing similar functions

3. (n.) A channel for water.

4. (n.) A preparatory cut or channel in excavations, of sufficient width for the passage of earth wagons.

5. (n.) A concave cut made in the teeth of some saw blades.

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