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

In the past five years, a handful of coasters have opened in Orlando. —Dewayne Bevil, Orlando Sentinel, 25 Mar. 2025

It’s been two decades since Legoland California built a new coaster ¯ and the timing is no accident. —Brady MacDonald, Oc Register, 25 Mar. 2025

The lawsuit filed in Los Angeles County Superior Court alleges negligence, design defects and a failure to warn riders about the potential danger of the wing coaster at the Valencia amusement park. —Brady MacDonald, Orange County Register, 19 Mar. 2025

During that same period, Belmont will offer $1 rides on its coaster, the Giant Dipper every Tuesday. —Lori Weisberg, San Diego Union-Tribune, 11 Mar. 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