waterline

  1. Noun.  (nautical) the 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.
  2. Noun.  a line showing where the water has been, usually a line separating dry land and wet areas; a watermark or tidemark.
  3. Noun.  (context, cosmetics) the inner rim of the eyelid, just behind the lash line; primarily used in reference to the application of eyeliner.

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This entry was last updated on RefTopia from its source on 3/20/2012.