■ noun
1》 the part of the land adjoining or near the sea.
2》 the easy movement of a vehicle without the use of power.
■ verb
1》 (of a vehicle) move easily without using power.
↘be successful with little effort: they ~ed to victory.
2》 sail along the ~.
Phrases
the ~ is clear there is no danger of being observed or caught.
Derivatives
~al adjective
~wise adjective & adverb
Origin
ME (in the sense 'side of the body'), from OFr. coste (n.), costeier (v.), from L. costa 'rib, flank, side'.