Term Definition
deck Horizontal or cambered and sloping surfaces on a ship, like floors in a building.
deckhouse A low building or superstructure, such as a cabin, constructed on the top deck of a ship.
main deck The principal deck of a ship. In ships with multiple decks, the deck beneath the spar deck.
spar deck The upper deck running a ship's full length. In a sailing vessel, the upper deck from which sails, rigging and spars are controlled.
weather deck The uppermost deck of a ship; any deck that does not have overhead protection from the weather.
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