Standard Lemma guide

tidemark

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

a line (of seaweed or differently coloured sand etc) on the shore showing the level of high or low tide

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any mark showing the limit of some past activity

Definition source: English Wiktionary via Wiktextract

Usage: broadly

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a line of scum left on a bath tub when the water is drained away

Definition source: English Wiktionary via Wiktextract

Usage: humorous

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

indicator consisting of a line at the highwater or low-water limits of the tides

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: indicator

History

Etymology

From tide + mark.

Across languages

Translations

1 source translations are retained for this English entry.

  • Galician: mallante — line on the shore showing the tide