Having two decks or levels, one above the other.

A bus that has two levels of seating.

A vehicle (usually a bus, coach or train) or aircraft with two floors. / A frigate with two decks above the waterline. / (figuratively) Any object with two layers or parts stacked on top of each other.

Alternative spelling of double-decker

plural of double-decker bus

plural of double-decker

plural of double decker