Word: tidemark
Part of speech: Noun
Syllables: tide
mark
Definition: a line of scum left on a bath tub when the water is drained away
Morphemes:
Affix: tide
Language: en
PoS: Noun
Meaning: A stream, current or flood.
Affix: mark
Language: en
PoS: Noun
Meaning: A boundary-post or fence.