Is “Exclave” a Scrabble word?
Yes
EXCLAVE
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 Exclave
/ˈɛkskleɪv/
noun
1.A portion of a country's territory not connected to the main part
“Alaska and Kaliningrad are both examples of exclaves.”
2.A detached part of an organ, as of the pancreas, thyroid, or other gland.