Word: tidemark
Part of speech: Noun
Syllables: tide
mark
Definition: any mark showing the limit of some past activity
Morphemes:
Affix: tide
Language: en
PoS: Noun
Meaning: A point or period of time identified or described by a qualifier (found in compounds).
Affix: mark
Language: en
PoS: Noun
Meaning: Limit or standard of action or fact.