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

Cloth coasters seemed to appear out of nowhere, and my questions about the hotel’s architecture, neighborhood, and wine lists were expertly answered. —Condé Nast, Condé Nast Traveler, 30 Mar. 2026

Bears fans scooped up drink coasters and even doormats made of the plastic grass. —Kori Rumore, Chicago Tribune, 29 Mar. 2026

The coaster had not been running since mid-February, and its closure time had been extended a couple of time, most recently set for April 5. —Dewayne Bevil, The Orlando Sentinel, 26 Mar. 2026

The coaster roars overhead one more time before closing. —Tiffany Acosta, AZCentral.com, 25 Mar. 2026

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