water line

Definitions of water line
  1. noun
    a line marking the level reached by a body of water
    synonyms: watermark
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    types:
    high-water mark
    a line marking the highest level reached
    low-water mark
    a line marking the lowest level reached
    type of:
    line
    a spatial location defined by a real or imaginary unidimensional extent
  2. noun
    a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship
    synonyms: water level, waterline
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    types:
    Plimsoll, Plimsoll line, Plimsoll mark, load line
    waterlines to show the level the water should reach when the ship is properly loaded
    type of:
    line
    a spatial location defined by a real or imaginary unidimensional extent
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