open-topper
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English[edit]
Noun[edit]
open-topper (plural open-toppers)
- (UK) A double-deck bus with an open, or partially open, top deck.
Usage notes[edit]
Double-deck buses and trams were originally open on the top deck, but this was enclosed on later vehicles and an open top deck became the exception. Open-toppers are presently used on sightseeing tours, seafront services, victory parades and other special occasions.