coaster

coast-er · noun

imported

Definitions

noun

  1. 1.

    A small flat mat placed under a glass to protect the surface beneath.

  2. 2.

    A ship that sails along coasts.

  3. 3.

    Short for roller coaster; an amusement park ride.

  4. 4.

    A person or thing that coasts.

Forms

plural: coasters

Phrases & expressions

  • •
    roller coaster — an amusement ride with steep drops
  • •
    beer coaster — a mat for beer glasses

Related words

See also: coast, mat, roller coaster
Synonyms: drink mat, mat

Etymology

From "coast" + agent suffix "-er." The drink mat sense comes from ships that sailed along coasts (and presumably carried drinks).