Open English Wordnet
Nouns
(n)coasta slope down which sleds may coast“when it snowed they made a coast on the golf course” (n)coastthe area within view“the coast is clear” (n)slide, glide, coastthe 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” Verbs
(v)coastmove effortlessly; by force of gravity