wind sail

[ wind ]
/ wɪnd /

noun Nautical.

a sail rigged over a hatchway, ventilator, or the like, to divert moving air downward into the vessel.

Origin of wind sail

First recorded in 1715–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for wind sail

  • The snow pattered against the cloth stretched like a wind-sail from their flanks to the rising front of the sleigh.

    Barlasch of the Guard|H. S. Merriman
  • The huge sunbonnet stiffly swung around like the wind-sail of a ship and stared at the horizon.

  • An awning was provided, and a wind-sail furnished to conduct fresh air between the decks during the day.

  • The deck lumbered as when we left her, and not a wind-sail up!

    Cornish Characters|S. Baring-Gould