main deck

noun

Nautical.

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

main deck

noun

1. the uppermost sheltered deck that runs the entire length of a vessel

Word History and Origins

Origin of main deck¹

First recorded in 1740–50

Example Sentences

The GSF said their "Family boat" was struck in Tunisian waters, and fire had damaged the main deck.

From BBC

With the boat on its side, the group had to crawl along the emergency staircase for two floors, past the restaurant and dining room on the main deck.

From BBC

On Monday, the EU’s military operation in the region said several fires were continuing to burn on the tanker’s main deck, though there were no visible signs that an oil spill was already occurring.

From BBC

Thirty-four people died aboard the Conception on Labor Day in 2019, when a fire erupted on the main deck while dozens of divers slept in a windowless bunk room below.

From Los Angeles Times

Conter was a quartermaster, standing on the main deck of the Arizona as Japanese planes flew overhead at 7:55 a.m. on Dec. 7 that year.

From Seattle Times