tidemark

Etymology

tide + mark

noun

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

Attribution / Disclaimer All definitions come directly from Wiktionary using the Wiktextract library. We do not edit or curate the definitions for any words, if you feel the definition listed is incorrect or offensive please suggest modifications directly to the source (wiktionary/tidemark), any changes made to the source will update on this page periodically.