Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun nautical A line formed by the surface of the water on the hull of a ship when she is afloat; any of a series of short lines marked on the hull to show where the waterline would be under different loadings.
  • noun aviation A horizontal line indicating the shape of an airfoil.
  • noun A line showing where the water has been, usually a line separating dry land and wet areas; a watermark or tidemark.
  • noun cosmetics the inner rim of the eyelid, just behind the lash line; primarily used in reference to the application of eyeliner.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • 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

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

water +‎ line

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Examples

  • And it goes on back to the -- to the waterline, which is where the rice field starts at.

    CNN Transcript Jul 15, 2009 2009

  • The forward part of the ship below the waterline was a complete casualty.

    Nuke Zone Douglass, Keith 1998

  • The range was so close that the Japs could not depress their guns enough to fire at the waterline, which is why so many hits landed on the bridge and two of our admirals were killed.

    The Story of World War II Donald L. Miller 1945

  • The range was so close that the Japs could not depress their guns enough to fire at the waterline, which is why so many hits landed on the bridge and two of our admirals were killed.

    The Story of World War II Donald L. Miller 1945

  • Below the waterline is a vast number of people who don't consider themselves unemployed; they're just currently without income.

    unknown title 2009

  • The central citadel system consists in armoring that part of the waterline which is abreast of the engines and boilers.

    Scientific American Supplement, No. 803, May 23, 1891 Various

  • What lies below the waterline is a much larger group who are sadly not facing up to their debt problems. "

    Epolitix News 2010

  • What lies below the waterline is a much larger group who are sadly not facing up to their debt problems. "

    Your Local Guardian | Wimbledon 2010

  • We need to leave while their boats are still burning down to the waterline.

    Wonk Room » Ralph Peters: A History Of Violence 2009

  • Mr. Valdez beams a spotlight along the waterline into the black.

    Take Me to the River Andrew McCarthy 2011

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