Cōast1, n.
n. [O. Fr. coste, N. Fr. côte, rib, hill, shore, coast, Pr., It., & Pg. costa, Sp. costa, cuesta, N. H. Ger. küste, from Lat. costa, rib, side.]
Sense 1. The side of a thing. [Obs.] Newton.
Sense 2. The exterior line, limit, or border of a country; frontier border. [Obs.]
From the river, the river Euphrates, even to the uttermost sea, shall your coast be. Deut. xi. 24.
Sense 3. The edge or margin of the land next to the sea; the sea-shore.
He sees, in English ships, the Holland coast. Dryden.
*We the Arabian coast do know At distance, when the spices blow; By the rich odor taught to steer.* Waller.
The coast is clear, the danger is over; the enemies have left the coast. Dryden.