coast coast /ˈkoʊst/

noun

1. () The shore of a sea or ocean  ( sea-coast , seashore , seacoast , coast )
   the shore of a sea or ocean
    We took a walk along the coast and enjoyed the ocean breeze and the sound of the waves
   We took a walk along the coast and enjoyed the ocean breeze and the sound of the waves
   
   
2. The act of moving smoothly along a surface while remaining in contact with it  ( coast , glide , slide )
   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
   his slide didn't stop until the bottom of the hill
    The children lined up for a coast down the snowy slope
   the children lined up for a coast down the snowy slope
   
3. The area within view  ( coast )
   the area within view
    The coast is clear
   the coast is clear
   
4. A slope down which sleds may coast  ( coast )
   a slope down which sleds may coast
    When it snowed they made a coast on the golf course
   when it snowed they made a coast on the golf course
   
   

verb

1. () Move effortlessly; by force of gravity  ( coast )
   move effortlessly; by force of gravity