Is “Sequestrum” a Scrabble word?
Yes
SEQUESTRUM
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 Sequestrum
noun
1.A fragment of bone or other dead tissue that has separated during necrosis