tidemark
Noun
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Noun
tidemark (plural tidemarks)
- 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
- (humorous) a line of scum left on a bath tub when the water is drained away
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003