double-deck

adjective
dou·​ble-deck | \ ˌdə-bəl-ˌdek How to pronounce double-deck (audio) \
variants: or double-decked \ ˌdə-​bəl-​ˈdekt How to pronounce double-decked (audio) \

Definition of double-deck

: having two decks, levels, or layers a double-deck bus a double-deck sandwich

First Known Use of double-deck

1850, in the meaning defined above

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