Coaster

['kəʊstə] or ['kostɚ]

(noun.) a covering (plate or mat) that protects the surface of a table (i.e., from the condensation on a cold glass or bottle).

(noun.) someone who coasts.

(noun.) a resident of a coastal area.

Checked by Bernadette--From WordNet

(n.) A vessel employed in sailing along a coast, or engaged in the coasting trade.

(n.) One who sails near the shore.

Inputed by Ezra

Checker: Sigmund