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freeboard

freeboard

1 7.2
Height from the water up to the top edge of a ship or dam that keeps water out
  • noun
  • /ˈfriːbɔrd/
  • Specialized
translation icon : franco
  • He was standing near the bow with his bare toes caressing the freeboard, gripping a stay.
  • higher freeboard

Examples

  • The upper portion of the net frame accounts for the distance from the water to the freeboard of the vessel (Fig. 6).

    Academic text (1995)
  • For all his faith in Mainadieu, Father Jerome knew she couldn't make it, not in a rising gale with forty men lowering her freeboard to inches.

    Fiction book (1994)
  • There is about one inch of freeboard.

    Fiction book (2002)
  • Our freeboard is so low that it took little effort to tumble him into the boat after that.

    Fiction book (1991)
  • Compared to the fighting ships, the knorr was shorter, broader of beam, and with a higher freeboard.

    Academic text (1996)
  • These skiffs had the greatest beam and lowest freeboard amidships, which made it easier for the "hooker," the man who hooked the sponges from the bottom with a special hooking device.

    Academic text (1998)
  • In the 1930s, the vessels were redesigned to be larger, with deeper drafts, flying bridges, pump-spray systems, and greater freeboard forward to give them better seaworthiness (June 1951).

    Academic text (1993)
  • The boat's high freeboard kept us safe from splashes while we were fishing.

  • With a low freeboard, this canoe is more susceptible to taking on water in rough waves.

  • The new design of the yacht features increased freeboard for better stability in choppy seas.

Antonyms

1 6.2

Putting something completely under water or another liquid

Compounds

freeboard deck
  • Specialized
8.6

The top watertight deck on a ship used to measure the ship's height above water

Surface Forms

freeboard singular
freeboards plural

Morphology

freeboard = free + board (semi-transparent) = free + board

The components 'free' and 'board' are identifiable, but the sense is a specialized nautical/engineering measurement that is not an immediately obvious generic compound meaning for learners.

Etymology

Freeboard comes from free ('not touching the water') and board ('side' or 'plank' of a ship). So the word names the part of a ship, boat, or wall that is 'free' from the water — the height above the water that gives a safety margin and helps keep the vessel or dam safe.