COAST

I. noun Etymology: Middle English cost, from Anglo-French coste, from Latin costa rib, side; akin to Old Church Slavic kostĭ bone Date: 14th century the land near a shore ; seashore , border , frontier , 3. a hill or slope suited to ~ing, a slide down a slope (as on a sled), the Pacific ~ of the United States, the immediate area of view, ~al adjective ~wise adverb or adjective II. verb Date: 14th century transitive verb to move along or past the side of ; skirt , to sail along the shore of, intransitive verb 1. to travel on land along a ~ or along or past the side of something, to sail along the shore, 2. to slide, run, or glide downhill by the force of gravity, to move along without or as if without further application of propulsive power (as by momentum or gravity), to proceed easily without special application of effort or concern