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tideline

British  
/ ˈtaɪdˌlaɪn /

noun

  1. the mark or line left by the tide when it retreats from its highest point

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

About 60% of us in Wales live in coastal areas, with some communities living below the high tideline.

From BBC • Oct. 30, 2021

Placozoans use their cilia to crawl randomly along rocks at the tideline until they detect microalgae and stop to graze.

From Science Magazine • Oct. 27, 2021

The wall is to guard against mudslides, she explains, gesturing at a ghostly tideline that rings the interior.

From The Guardian • Jan. 7, 2020

They were also destroying the native tideline habitat, but this did not seem to concern them.

From Scientific American • Oct. 2, 2015

The storm had littered the shore and he walked the tideline looking for anything of use.

From "The Road" by Cormac McCarthy