shelter deck

English

Shelter deck on the Washington State ferry "Evergreen State"

Noun

shelter deck (plural shelter decks)

1. (nautical) A lightly-constructed deck over the main deck of a ship covering a space open to the weather; offering some protection from the weather but not completely enclosed.
   • 1939 June, G. W. Tripp, “The Modern Railway Steamer”, in Railway Magazine, page 392:

     Her saloons are luxurious, and there are a number of cosy alcoves, as well as a spacious shelter deck surrounded with large plate glass windows, enabling passengers to sit in arm chairs and at the same time enjoy an unobstructed view.

References

shelter deck on Wikipedia.Wikipedia