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

The best part about Emma Chamberlain’s favorite tile coasters? —Audrey Lee, Architectural Digest, 1 Nov. 2024

Or place tortoiseshell coasters at each place setting to protect your table in style. 5. —Claire Hoppe Norgaard, Better Homes & Gardens, 23 Oct. 2024

The Ember Mug offers up to 80 minutes of heat or all-day warmth on its charging coaster. —Nora Colomer, Fox News, 24 Sep. 2024

These 3 Arizona coasters will get your heart pumping When is the next full moon? —Meredith G. White, The Arizona Republic, 17 Aug. 2024

Word History

First Known Use

1574, in the meaning defined at sense 1

Phrases Containing coaster

• coaster brake
• coaster wagon
• roller coaster

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