Channel

Photo of surge channels
Photo by Gemma Stiles
Attribution-Sharealike

A channel is a waterway, or a path that has been worn by water. Channels can be so large you can't see the other side, or quite small, like a gutter by the side of a road.
The picture is of a channel that has been worn into the rock by the waves of the sea.

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Channel rhymes with:

Camel, Bactrian camel, Funnel, Kennel, Fennel, Enamel ... see all