triple-decker

noun, often attributive
tri·ple-deck·er | \ˌtri-pəl-ˈde-kər \

Definition of triple-decker 

: something having three basic components or levels: such as

a : trilogy

b : a sandwich consisting of three pieces of bread and two layers of filling

c : a 3-story dwelling with an apartment on each floor

First Known Use of triple-decker

1938, in the meaning defined above

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The first known use of triple-decker was in 1938

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More Definitions for triple-decker

triple-decker

noun

English Language Learners Definition of triple-decker

: something that has three levels or layers

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