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 Fast & Furious coaster hits another milestone. —Todd Martens, Los Angeles Times, 12 May 2026

Built in 2001, the coaster boasts a 3,365-foot track with a 232-foot drop that thrusts riders to a top speed of 85 miles per hour. —Finch Walker, USA Today, 8 May 2026

At the center of the area will be the preexisting Road Runner Express kids coaster. —Colson Thayer, PEOPLE, 6 May 2026

At 113 feet tall, the one-time tallest coaster in the world seems almost sedate by today’s thrill ride standards. —Brady MacDonald, Oc Register, 4 May 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