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

Several children have been hurt after the roof of a school double-decker bus was ripped off when it hit a low bridge.

From BBC

Mr. Sheeran fesses up to one while aboard a double-decker bus carrying out-of-town tourists.

From The Wall Street Journal

It weighed the same as eight double-decker buses and took a specialist team more than a month to break down.

From BBC

Images in local media show rescue crews appearing to help people trapped underneath the double-decker bus.

From BBC

Both on board the double-decker buses and in the frenzied masses below, elation swirled and beverages flowed.

From Los Angeles Times