The noun coast has 4 senses (first 1 from tagged texts)
1. (20) seashore, coast, seacoast, sea-coast -- (the shore of a sea or ocean)
2. coast -- (a slope down which sleds may coast; "when it snowed they made a coast on the golf course")
3. coast -- (the area within view; "the coast is clear")
4. slide, glide, coast -- (the act of moving smoothly along a surface while remaining in contact with it; "his slide didn't stop until the bottom of the hill"; "the children lined up for a coast down the snowy slope")
Overview of verb coast
The verb coast has 1 sense (first 1 from tagged texts)
1. (1) coast -- (move effortlessly; by force of gravity)