three-decker

noun

three-deck·​er ˈthrē-ˈde-kər How to pronounce three-decker (audio)
1
: a wooden warship carrying guns on three decks
2

Examples of three-decker in a Sentence

Recent Examples on the Web
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At the scene, Kilduff and his crew stopped flames, shooting through the roof of a three-decker on Treadway Road, from spreading to adjacent houses, saving property and possibly even more lives. Lance Reynolds, Boston Herald, 29 May 2026 Three Boston firefighters were taken to the hospital after battling a four-alarm blaze that began in a Dorchester three-decker and spread to two other homes Monday afternoon, leaving 30 people displaced, officials said. Nick Stoico, BostonGlobe.com, 7 Aug. 2023

Word History

First Known Use

1795, in the meaning defined at sense 1

Time Traveler
The first known use of three-decker was in 1795

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Cite this Entry

“Three-decker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/three-decker. Accessed 5 Jul. 2026.

Kids Definition

three-decker

noun
three-deck·​er
ˈthrē-ˈdek-ər
: something made with three floors or layers
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