three-decker

American  

[three-dek-er] / ˈθriˈdɛk ər /

noun

1. any ship having three decks, tiers, etc.

2. (formerly) one of a class of sailing warships that carried guns on three decks.

3. a sandwich made of three slices of bread interlaid with two layers of filling; club sandwich.

4. something having three layers, levels, or tiers.

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three-decker British  

noun

1. 1. anything having three levels or layers

   2. ( as modifier )

      a three-decker sandwich

2. a warship with guns on three decks

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Etymology

Origin of three-decker

First recorded in 1785–95

Example Sentences

The building, a “three-decker” built a century ago, was constructed to suit the needs of New England’s industrial class.

From Los Angeles Times

GAYNOR: We had a wonderful party on a three-decker cruise ship.

From Seattle Times

“A Hero” is as anxious and swift as a thriller, with the density and observational acuity of a 19th-century three-decker.

From New York Times

The ferry left Dhaka, Bangladesh’s capital, on Thursday and was traveling along the Sugandha River near the town of Jhalakathi when the blaze overtook the three-decker boat.

From Washington Post

A film becomes something else, but a series is like … do you know what a Victorian three-decker novel is?

From New York Times