n. 1. A two-level bus.

a bus , airplane Fixed-wing aircraft is a term used to refer to what are further commonly known as aeroplanes in Commonwealth English (excluding Canada), airplanes in North American English

a bus, airplane, train, tram, ferry, or any public transit vehicle that has

Double Decker is a chocolate bar from Cadbury's. It was first introduced in 1976, and has a name inspired by the British obsession with double-decker buses in the 1970s.

Two-storied exhibit. Also called Multiple Story Exhibit.