water line
or wa·ter·line (wô′tər-līn′, wŏt′ər-)n.
1.
a. The line on the hull of a ship to which the surface of the water rises.
b. Any of several lines parallel to this line, marked on the hull of a ship, and indicating the depth to which the ship sinks under various loads.
2. A line or stain, as one left on a seawall, indicating the height to which water has risen or may rise; a watermark.
3. waterline The edge of the eyelid between the eyelashes and the eyeball: apply eyeliner to your waterline.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
waterline
(ˈwɔːtəˌlaɪn)n
1. (Nautical Terms) a line marked at the level around a vessel's hull to which the vessel will be immersed when afloat
2. a line marking the level reached by a body of water
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
waterline
Line where a boat’s hull meets the surface of the water.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  waterline - 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 shipline - a spatial location defined by a real or imaginary unidimensional extent load line, Plimsoll, Plimsoll line, Plimsoll mark - waterlines to show the level the water should reach when the ship is properly loaded |
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