Freeboard meaning

frēbôrd
The distance between the water line and the edge of the upper deck of a boat or ship.
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The distance between normal water level and the top of a structure or mass that rises out of the water, such as a buoy, dam, or ice floe.
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The distance from the main deck or gunwale to the waterline of a ship.
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(nautical) The vertical distance between the waterline and the uppermost watertight deck of a vessel.
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The distance between a water level and the top of something that contains or restrains it (such as a dam).
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The distance between the top of sea ice and the water level.
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Origin of freeboard

  • Probably ultimately partial translation of Anglo-Norman franc bord land claimed outside the fence of a park or forest franc free bord, bort border border

    From American Heritage Dictionary of the English Language, 5th Edition