coast·​er | \ ˈkō-stər How to pronounce coaster (audio) \

Definition of coaster

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
3a : 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
4a : a small vehicle (such as a sled or wagon) used in coasting

Examples of coaster in a Sentence

Set the glass on a coaster.
Recent Examples on the Web There are 15 roller coasters, including the all new Orion giga coaster and a 33-acre water park. Jennie Key, The Enquirer, "It won't always be snowy: Kings Island announces 2021 opening date," 18 Feb. 2021 Europeans had hoped for stability after a roller-coaster year. New York Times, "Slow Pace of Vaccinations Pushes Europe Toward Second Economic Slump," 2 Feb. 2021 Dragon’s Apprentice will be a kiddie coaster that will make two passes around its short course. Arthur Levine, USA TODAY, "Most-anticipated roller coasters of 2021 at Universal Orlando, on a Carnival cruise ship and more," 22 Dec. 2020 Work has continued on a Jurassic Park roller coaster at Universal’s Islands of Adventure, but parks have put well-under-way projects on hold, including the Ice Breaker coaster at SeaWorld Orlando and Iron Gwazi thrill ride at Busch Gardens Tampa. Dewayne Bevil,, "Disney: Epcot hasn’t revved up ‘Ratatouille’ ride yet," 27 Nov. 2020 Once the ship and the coaster are complete, BOLT will have to be disassembled and reconstructed aboard the Mardi Gras, which is currently being constructed at the Meyer Turku shipyard in Turku, Finland, according to USA Today. Andrea Romano, Travel + Leisure, "Carnival Cruise Line Releases Sneak Peek of Bolt, the First Ever Roller Coaster at Sea," 17 Aug. 2020 Roller-coaster rides are again on the horizon in the Bay Area, with California’s Great America in Santa Clara announcing plans to reopen its gates with limited capacity this spring. Jessica Flores, San Francisco Chronicle, "Great America is first theme park in California to set a reopening date," 1 Feb. 2021 Each four-inch white coaster features a blue and multicolor marble veining, abalone shell and brass accents. Shari Uyehara, NBC News, "10 affordable Valentine's Day gifts that are extra thoughtful," 1 Feb. 2021 Over a dozen rides, including the wooden coaster InvadR, are open during these events. Arthur Levine, USA TODAY, "Want to go for a ride in January? The coaster is clear as theme parks expand their seasons," 25 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coaster.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of coaster

1574, in the meaning defined at sense 1

Keep scrolling for more

Learn More about coaster

Time Traveler for coaster

Time Traveler

The first known use of coaster was in 1574

See more words from the same year

Statistics for coaster

Last Updated

28 Feb 2021

Cite this Entry

“Coaster.” Dictionary, Merriam-Webster, Accessed 2 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More Definitions for coaster



English Language Learners Definition of coaster

: a small, flat object on which a glass, cup, or dish is placed to protect the surface of a table
: a ship that sails along a coast or that is used in trade between ports of the same country


coast·​er | \ ˈkō-stər How to pronounce coaster (audio) \

Kids Definition of coaster

1 : a ship that sails or trades along a coast
2 : a small mat on which a glass is placed to protect the surface of a table

More from Merriam-Webster on coaster

Thesaurus: All synonyms and antonyms for coaster

Nglish: Translation of coaster for Spanish Speakers

Comments on coaster

What made you want to look up coaster? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!