The difference between Canyon and Gorge

Canyon as a noun:

A valley, especially a long, narrow, steep valley, cut in rock by a river.

Gorge as a noun (archaic):

The front aspect of the neck; the outside of the throat.

Gorge as a noun (archaic, literary):

The inside of the throat; the esophagus, the gullet; the crop or gizzard of a hawk.

Gorge as a noun:

Food that has been taken into the gullet or the stomach, particularly if it is regurgitated or vomited out.

Gorge as a noun (US):

A choking or filling of a channel or passage by an obstruction; the obstruction itself.

Gorge as a noun (architectural element):

A concave moulding; a cavetto.

Gorge as a noun (architectural element, [[fortification]]):

The entrance to an outwork, such as a bastion.

Gorge as a noun (fishing):

A primitive device used instead of a hook to catch fish, consisting of an object that is easy to swallow but difficult to eject or loosen, such as a piece of bone or stone pointed at each end and attached in the middle to a line.

Gorge as a noun (geography):

A deep, narrow passage with steep, rocky sides, particularly one with a stream running through it; a ravine.

Gorge as a noun (mechanical engineering):

The groove of a pulley.

Gorge as a verb (intransitive, reflexive):

To stuff the gorge or gullet with food; to eat greedily and in large quantities.

Gorge as a verb (transitive):

To swallow, especially with greediness, or in large mouthfuls or quantities.

Gorge as a verb (transitive):

To fill up to the throat; to glut, to satiate.

Gorge as a verb (transitive):

To fill up (an organ, a vein, etc.); to block up or obstruct; of ice: to choke or fill a channel or passage, causing an obstruction.

Gorge as a noun:

An act of gorging.

Gorge as an adjective (slang):

Gorgeous.