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Word: tidemark (lookup usage) (lookup stats)


Meaning:

Noun:

  • a line (of seaweed or differently coloured sand etc) on the shore showing the level of high or low tide
  • by extension any mark showing the limit of some past activity
  • jocular a line of scum left on a bath tub when the water is drained away

Source: Wiktionary | Src Info »