1
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
Examples of coaster in a Sentence
Set the glass on a coaster.
Recent Examples on the Web
Universal closed the dual launch coaster, Stardust Racers, in the meantime.
—
Eve Chen, USA Today, 19 Sep. 2025
The man in his 30s was found unresponsive after riding the coaster and was taken to a nearby hospital, where he was pronounced dead.
—Alexandra Banner, CNN Money, 19 Sep. 2025
Through the years, the coaster has introduced onboard audio, added new ride vehicles and undergone a complete retracking.
—Brady MacDonald, Oc Register, 19 Sep. 2025
Park officials have not yet announced when the coaster is expected to reopen.
—People Staff, PEOPLE, 19 Sep. 2025
See All Example Sentences for coaster
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Eve Chen, USA Today, 19 Sep. 2025
The man in his 30s was found unresponsive after riding the coaster and was taken to a nearby hospital, where he was pronounced dead.
—Alexandra Banner, CNN Money, 19 Sep. 2025
Through the years, the coaster has introduced onboard audio, added new ride vehicles and undergone a complete retracking.
—Brady MacDonald, Oc Register, 19 Sep. 2025
Park officials have not yet announced when the coaster is expected to reopen.
—People Staff, PEOPLE, 19 Sep. 2025
See All Example Sentences for coaster
Cite this Entry
“Coaster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coaster. Accessed 23 Sep. 2025.
Copy CitationKids 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
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