Is “Marque” a Scrabble word?
Yes
MARQUE
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 Marque
/ˈmɑː(ɹ)k/
noun
1.A license to pass the limits of a jurisdiction, or boundary of a country, for the purpose of making reprisals; a letter of marque.
2.A brand or make of a manufactured product, especially of a motor car (in contradistinction to a model).
3.A ship commissioned for making captures.