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
Cedar Point’s new coaster, Siren’s Curse, stalled mid-tilt on July 19, marking its second in-ride malfunction since opening in late June.
—
Moná Thomas, People.com, 23 July 2025
The items include T-shirts, hats, coasters, stickers, tote bags and magnets.
—Bill Kirkos, CNN Money, 21 July 2025
The shoes themselves, in a deep brown hue, of course, have Guinness branding on the heel and insole artwork that’s inspired by vintage drink coasters, a pattern that’s also included on the matching putter cover.
—Erik Matuszewski, Forbes.com, 15 July 2025
Millennial and older thrill-seekers may remember rides like Orient Express, a red double-loop steel roller coaster or Timber Wolf, a jarring wooden coaster that is currently closed for the 2025 season.
—Abbey Briscoe, Kansas City Star, 4 July 2025
See All Example Sentences for coaster
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Moná Thomas, People.com, 23 July 2025
The items include T-shirts, hats, coasters, stickers, tote bags and magnets.
—Bill Kirkos, CNN Money, 21 July 2025
The shoes themselves, in a deep brown hue, of course, have Guinness branding on the heel and insole artwork that’s inspired by vintage drink coasters, a pattern that’s also included on the matching putter cover.
—Erik Matuszewski, Forbes.com, 15 July 2025
Millennial and older thrill-seekers may remember rides like Orient Express, a red double-loop steel roller coaster or Timber Wolf, a jarring wooden coaster that is currently closed for the 2025 season.
—Abbey Briscoe, Kansas City Star, 4 July 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 29 Jul. 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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