promenade deck

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promenade deck

Wikipedia

promenade deck (plural promenade decks)

1. (nautical) An upper deck on a passenger ship on which passengers may walk, which can be covered but open to the air.
   • 1947 January and February, “New Southern Channel Steamer”, in Railway Magazine, page 49:

     There are main and upper decks and a promenade deck.

• “promenade deck”, in Collins English Dictionary.