tidemark

noun
tide·mark | \ ˈtīd-ˌmärk \

Definition of tidemark 

1a : a high-water or sometimes low-water mark left by tidal water or a flood

b : a mark placed to indicate this point

2 : the point to which something has attained or below which it has receded the tidemark of tolerance has risenNew Republic

First Known Use of tidemark

1799, in the meaning defined at sense 1a

Keep scrolling for more

Learn More about tidemark

Statistics for tidemark

Look-up Popularity

Time Traveler for tidemark

The first known use of tidemark was in 1799

See more words from the same year

Keep scrolling for more

More Definitions for tidemark

tidemark

noun

English Language Learners Definition of tidemark

: a mark on the beach that shows how far the water came in toward the shore when the tide was high

: a mark left by dirty water in a bathtub

More from Merriam-Webster on tidemark

See words that rhyme with tidemark

Comments on tidemark

What made you want to look up tidemark? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to deposit or conceal in a hiding place

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!