Is “Quarterdeck” a Scrabble word?
Yes
QUARTERDECK
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 Quarterdeck
noun
1.The aft part of the upper deck of a ship; normally reserved for officers