noun, often attributive \ˌtri-pəl-ˈde-kər\

: something that has three levels or layers

Full Definition of TRIPLE-DECKER

:  something having three basic components or levels: 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



Next Word in the Dictionary: triple–double
Previous Word in the Dictionary: Triple Crown
All Words Near: triple-decker

Seen & Heard

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