coaster

noun

coast·​er ˈkō-stər 

1

: one that coasts: such as

a

: a person engaged in coastal traffic or commerce

b

: a ship sailing along a coast or engaged in trade between ports of the same country

2

: a resident of a seacoast

3

a

: a tray or decanter stand usually of silver and sometimes on wheels

b

: a shallow container or a plate or mat to protect a surface

4

a

: a small vehicle (such as a sled or wagon) used in coasting

b

: roller coaster

Examples of coaster in a Sentence

Set the glass on a coaster.

Recent Examples on the Web

Universal Studios Hollywood reveals Fast & Furious coaster ride vehicles The latest CityWalk Hollywood transformation began in September with Hello Kitty and Friends Cafe replacing Francesca’s clothing boutique and Chick Chick Chicken fast casual restaurant. —Brady MacDonald, Oc Register, 19 June 2025

On Saturday, June 14, Palmer appeared in a new campaign to promote Pour Dad A Cold One — a freezable cereal bowl kit featuring a chilled spoon, bowl koozie and coaster. —Brenton Blanchet, People.com, 14 June 2025

The emperor penguins also played a large role in the naming of the park’s dive coaster. —Lori Weisberg, San Diego Union-Tribune, 12 June 2025

There is, however, a nod to one of Universal’s classic movies on the Stardust Racers dueling coaster. —Patrick Connolly, The Orlando Sentinel, 16 May 2025

Word History

First Known Use

1574, in the meaning defined at sense 1

Phrases Containing coaster

• coaster brake
• coaster wagon
• roller coaster

Rhymes for coaster

• poster
• roaster
• toaster
• paternoster

Kids Definition

coaster

noun

coast·​er ˈkō-stər 

1

: one that coasts

especially : a ship engaged in coastal trade

2

a

: a round tray usually of silver and sometimes on wheels

b

: a shallow container or a plate or a mat to protect a surface

3

: a small vehicle (as a sled or wagon) for coasting