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

While the land will open next year, including the new stage show, two restaurants and a retail shop, the coaster will open at an undisclosed later date. — Mackenzie Schmidt, PEOPLE, 16 Aug. 2026

The downtime is a natural consequence of Sunshine State conditions versus a wooden coaster, said Cory Lytle, tech services director at Legoland Florida Resort in Winter Haven. — Dewayne Bevil, The Orlando Sentinel, 12 Aug. 2026

Its attractions are award-winning, like Phoenix, which consistently ranks as one of the top wooden coasters in the world. — Carly Caramanna, Travel + Leisure, 11 Aug. 2026

There’s a lot to unpack here, both with Fordham and the coaster itself, designed by the park’s owner in honor of his dad, who founded Fun Spot America. — Aj Willingham, AJC.com, 10 Aug. 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