Is “Mesne” a Scrabble word?
Yes
MESNE
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 Mesne
/miːn/
noun
1.A mesne lord.
adjective
1.Intermediate.
“a mesne lord”