double-decker

American  

[duhb-uhl-dek-er] / ˈdʌb əlˈdɛk ər /

noun

1. something with two decks, tiers, or the like, as two beds one above the other, a ship with two decks above the water line, or a bus with two decks.

2. a food item consisting of two main layers, as a sandwich made with three slices of bread and two layers of filling.

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double-decker British  

noun

1. a bus with two passenger decks

2. informal

   1. a thing or structure having two decks, layers, etc

   2. ( as modifier )

      a double-decker sandwich

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Etymology

Origin of double-decker

An Americanism dating back to 1825–35

Example Sentences

For Many, Double-Decker Buses Are Merely an Annoyance More than a century ago, there were double-decker trolleys, rising like wedding cakes over Broadway, with horses in the neighboring lane.

From New York Times • Aug. 28, 2013