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

The world's first hydrogen double-decker bus fleet has reached the end of the road.

From BBC

Inaugurated in 1863, the tram is one of the world's oldest, and among only a few to operate double-decker cars.

From Barron's

These days, transforming the asphalt landscape into a sandy oasis takes about a week, with almost 900 tonnes of sand – that's about six blue whales or 70 double-decker buses – trucked in.

From BBC

Norway and Sweden arrived at races with double-decker wax trucks and fleets of expert technicians.

From The Wall Street Journal

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