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
The ride, designed by coaster manufacturer Bolliger & Mabillard, will begin with a 309-foot climb, followed by a 95-degree beyond-vertical drop, and will include sharp turns, airtime moments and multiple inversions.
—
Briauna Brown,
CBS News,
23 June 2026
The odometers in the coaster cars, for instance, are for show only.
—
Todd Martens,
Los Angeles Times,
23 June 2026
The new accessories collection includes key rings, luggage tags, passport covers, card holders, coasters, placemats, notebook and diary covers, zip pouches, bookmarks, napkin holders, desk accessories and a structured briefcase.
—
Samantha Conti,
Footwear News,
22 June 2026
Its coasters impress, food celebrates Appalachian traditions, and cinnamon bread has a cult following.
—
Jacqueline Dole,
Southern Living,
22 June 2026
See All Example Sentences for coaster
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Briauna Brown,
CBS News,
23 June 2026
The odometers in the coaster cars, for instance, are for show only.
—
Todd Martens,
Los Angeles Times,
23 June 2026
The new accessories collection includes key rings, luggage tags, passport covers, card holders, coasters, placemats, notebook and diary covers, zip pouches, bookmarks, napkin holders, desk accessories and a structured briefcase.
—
Samantha Conti,
Footwear News,
22 June 2026
Its coasters impress, food celebrates Appalachian traditions, and cinnamon bread has a cult following.
—
Jacqueline Dole,
Southern Living,
22 June 2026
See All Example Sentences for coaster
Cite this Entry
“Coaster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coaster. Accessed 5 Jul. 2026.
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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