Is “Floodmark” a Scrabble word?
Yes
FLOODMARK
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Floodmark
noun
1.A mark indicating the height reached by the waters in a previous flood.