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 coaster station will be themed as a chariot garage run by an Asterix villager named Cetautomatix. —Brady MacDonald, Boston Herald, 19 Jan. 2025

Kings Island hosted a holiday competition between Santa and Jack Frost on one of the park's original coasters, The Racer. —Quinlan Bentley, The Enquirer, 25 Dec. 2024

Donors of $50 or more received a special coaster redeemable for a thank-you pint of Guinness. —John Freeman Gill, New York Times, 24 Dec. 2024

These Coasters With an Absorbent Material Add a cozy yet luxurious twist to your home with these coasters, which come in a set of five. —Mia Meltzer, Rolling Stone, 26 Nov. 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