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definitions

main deck

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noun Nautical.

the uppermost weatherproof deck, running the full length of a ship.

Origin of main deck

First recorded in 1740–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for main deck

Historical Examples of main deck

  • Only the blue-faced boy at the bell on the forecastle was on the main-deck.

    Roden's Corner

    Henry Seton Merriman

  • He could not have been hurt, however, to get down from the poop to the main-deck in the time.'

    Micah Clarke

    Arthur Conan Doyle

  • One of these devices is to be fitted to the fore-deck and two on the main-deck and stern.

    Boys' Book of Model Boats

    Raymond Francis Yates

  • That second shot was to be the signal for the whole broadside from the main-deck below.

    The Sea-Hawk

    Raphael Sabatini

  • Lots of water on the main-deck, and he splashes along; it was getting dark, too.

    Within the Tides

    Joseph Conrad

British Dictionary definitions for main deck

main deck

noun

the uppermost sheltered deck that runs the entire length of a vessel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012