main deck

American  

noun

Nautical.

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

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main deck British  

noun

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

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Etymology

Origin of main deck

First recorded in 1740–50

Example Sentences

"Today's world needs signs and testimonies that give hope more than words," he said in an impromptu speech in English on the main deck.

From Barron's • Oct. 18, 2025

Among them are Jenny Cawson and Tarig Sinada, a couple from Devon who were staying on the main deck, on the side of the boat that hit the water.

From BBC • Jan. 14, 2025

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 • Apr. 1, 2024

The deadly fire that broke out four years ago aboard the Conception dive boat, killing 34 people, started in a plastic trash can on the main deck, a confidential report reviewed by The Times shows.

From Los Angeles Times • Sep. 2, 2023

The rest of the crew had gathered on the main deck, where a makeshift raft loaded with blackrock waited to be lowered into the sea.

From "The Reader" by Traci Chee