D defs.my
Entry 2 senses Webster, 1913

Coaster

/kōs'-tẽr/ · Coast·er · IPA /ˈkoʊ̯s.tɚ/
01 n. A vessel employed in sailing along a coast, or engaged in the coasting trade.
  1. 1.
    A vessel employed in sailing along a coast, or engaged in the coasting trade.
  2. 2.
    One who sails near the shore.