coaster
US /ˈkoʊstə(r)/
・UK /ˈkəʊstə(r)/
C1
noun
- Mat placed under a glass to protect furniture
- A small mat or pad placed under a beverage to protect the surface of a table.
- A sled or small vehicle without motor for coasting downhill.
- Short form of roller coaster.
- A person who travels along a coast.
- A ship that sails along a coast.