coast

(noun) the shore of a sea or ocean. Synonyms: seashore, seacoast, sea-coast.

(noun) a slope down which sleds may coast. Example: "When it snowed they made a coast on the golf course."

(noun) the area within view. Example: "The coast is clear."

(noun) the act of moving smoothly along a surface while remaining in contact with it. Synonyms: slide, glide. Examples: "His slide didn't stop until the bottom of the hill." "The children lined up for a coast down the snowy slope."

(verb) move effortlessly; by force of gravity.