tidemark

English dictionary entry

Meanings

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

Pronunciation

en-uk-tidemark.ogg

Word forms

tidemark tidemarks

Etymology

From tide + mark.

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