Webster's Revised Unabridged Dictionary · 1913

Coast

Coast (kōst) , noun

[Old French coste, French côte, rib, hill, shore, coast, Latin costa rib, side. Compare Accost, transitive verb, Cutlet.]

1.
The side of a thing. [Obsolete] — Sir I. Newton
2.
The exterior line, limit, or border of a country; frontier border. [Obsolete]
From the river, the river Euphrates, even to the uttermost sea, shall your coast be. — Deut. xi. 24
3.
The seashore, or land near it.
He sees in English ships the Holland coast. — Dryden
We the Arabian coast do know At distance, when the species blow. — Waller
Collocations (4)
The coast is clear , the danger is over; no enemy in sight. — Dryden There are no obstacles. Seeing that the coast was clear, Zelmane dismissed Musidorus. — Sir P. Sidney
Coast guard , (a) A body of men originally employed along the coast to prevent smuggling; now, under the control of the admiralty, drilled as a naval reserve. [English] (b) The force employed in life-saving stations along the seacoast. [United States]
Coast rat (Zoology) , a South African mammal (Bathyergus suillus), about the size of a rabbit, remarkable for its extensive burrows; -- called also sand mole.
Coast waiter , a customhouse officer who superintends the landing or shipping of goods for the coast trade. [English]

Coast (kōst) , intransitive verb

[Old English costien, costeien, costen, Old French costier, costoier, French côtoyer, fr. Of. coste coast, French côte. See Coast, n.]

1.
To draw or keep near; to approach. [Obsolete]
Anon she hears them chant it lustily, And all in haste she coasteth to the cry. — Shakespeare
2.
To sail by or near the shore.
The ancients coasted only in their navigation. — Arbuthnot
3.
To sail from port to port in the same country.
4.
To slide down hill; to slide on a sled, upon snow or ice. [Local, United States]

Coast , transitive verb

1.
To draw near to; to approach; to keep near, or by the side of. [Obsolete] — Hakluyt
2.
To sail by or near; to follow the coast line of.
Nearchus,... not knowing the compass, was fain to coast that shore. — Sir T. Browne
3.
To conduct along a coast or river bank. [Obsolete]
The Indians... coasted me along the river. — Hakluyt