horizon

Height above sea level or the earth's surface.

A group or chain of islands.

To land; come down to the ground (for aircraft).

A barrier constructed to hold back water and raise its level; a dam.

An artificial waterway constructed for navigation or irrigation.

A piece of land extending into the sea; a headland.

A stream of water falling from a height; a waterfall.

Relating to or near the coast; coastal.

A body of water or air moving in a definite direction.

A large, bowl-shaped hollow, especially on a volcano or moon.