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WordReference Random House Learner's Dictionary of American English © 2024ˈwa•ter ˌline, n. [countable]- Nauticalone of a series of lines on a ship's hull indicating the level to which it is submerged under the surface of the water.
WordReference Random House Unabridged Dictionary of American English © 2024wa′ter line′, - Nauticalthe part of the outside of a ship's hull that is just at the water level.
- Nautical[Naval Archit.]any of a series of lines on the hull plans of a vessel representing the level to which the vessel is immersed or the bottom of the keel. Cf. load line, Plimsoll line.
- Nauticalthe line in which water at its surface borders upon a floating body.
- Nautical, Naval TermsSee water level (def. 2).
- NauticalAlso called watermark. a line indicating the former level or passage of water:A water line all around the cellar served as a reminder of the flood.
- Buildinga pipe, hose, tube, or other line for conveying water.
Also, wa′ter•line′.
Collins Concise English Dictionary © HarperCollins Publishers:: water line n - a line marked at the level around a vessel's hull to which the vessel will be immersed when afloat
- a line marking the level reached by a body of water
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