the land next to the sea; seashore: the rocky coast of Maine.
the region adjoining it: They live on the coast, a few miles from the sea.
a hill or slope down which one may slide on a sled.
a slide or ride down a hill or slope, as on a sled.
Obsolete. the boundary or border of a country.
the Coast, Informal. (in the U.S. and Canada) the region bordering on the Pacific Ocean; the West Coast: I'm flying out to the Coast next week.
verb (used without object)
to slide on a sled down a snowy or icy hillside or incline.
to descend a hill or the like, as on a bicycle, without using pedals.
to continue to move or advance after effort has ceased; keep going on acquired momentum: We cut off the car engine and coasted for a while.
to advance or proceed with little or no effort, especially owing to one's actual or former assets, as wealth, position, or name, or those of another: The actor coasted to stardom on his father's name.
to sail along, or call at the various ports of, a coast.
Obsolete. to proceed in a roundabout way.
verb (used with object)
to cause to move along under acquired momentum: to coast a rocket around the sun.
to proceed along or near the coast of.
Obsolete. to keep alongside of (a person moving).
Obsolete. to go by the side or border of.
the coast is clear, no danger or impediment exists; no persons are in the path or vicinity: The boys waited until the coast was clear before climbing over the wall.

1325–75; (noun) Middle English cost(e) < Anglo-French, Middle French < Latin costa rib, side, wall; (v.) Middle English cost(e)yen, costen < Anglo-French costeier, Old French costoier, derivative of the noun

1. strand, seaside, littoral. See shore1. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
coast (kəʊst)
1.  Related: littoral
 a.  the line or zone where the land meets the sea or some other large expanse of water
 b.  (in combination): coastland
2.  (Brit) the seaside
3.  (US)
 a.  a slope down which a sledge may slide
 b.  the act or an instance of sliding down a slope
4.  obsolete borderland or frontier
5.  informal the coast is clear the obstacles or dangers are gone
6.  to move or cause to move by momentum or force of gravity
7.  (intr) to proceed without great effort: to coast to victory
8.  to sail along (a coast)
Related: littoral
[C13: from Old French coste coast, slope, from Latin costa side, rib]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1125, from O.Fr. coste "shore, coast," from L. costa "a rib," developing a sense in M.L. of the shore as the "side" of the land. Fr. also used this word for "hillside, slope," which led to verb use of "sled downhill," first attested 1775 in Amer.Eng.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

COAST definition

Cache On A STick

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
For many gulf coast gulls, terns and cormorants, this has been a lethal mistake.
Their coast live oak, underplanted with lawn, was struggling.
Stately pleasure domes are springing up all along the coast.
Frost and snow occasionally occur inland, but are rare on the coast.
Image for coast
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