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

While Isle of Berk was the surprise hit with many of the media guests and Stardust Racers (the park's major coaster, located in Celestial Park) was dubbed by many as the best ride, the Wizarding World was consistently the most crowded. —Mackenzie Schmidt, People.com, 23 May 2025

The new Fast & Furious ride will feature 360-degree rotating coaster vehicles designed to look like drifting race cars. —Brady MacDonald, Oc Register, 20 May 2025

Another one of Universal’s monsters features prominently in the Curse of the Werewolf spinning coaster. —Patrick Connolly, The Orlando Sentinel, 16 May 2025

The line is billing a number of attractions as firsts, such as the longest lazy river and longest coaster water slide in the world, and the tallest water slide tower in North and South America. —Nathan Diller, USA Today, 15 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