Definition of watermark

Definition of watermark
  1. watermark Noun A translucent design impressed on the surface of paper and visible when the paper is held to the light.
  2. watermark Noun Auxiliary data embedded in a datafile for subsequent identification and verification of the file.
  3. watermark Verb To mark paper with a watermark.
  4. watermark Verb To mark a datafile with a watermark.
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