Is “Reagin” a Scrabble word?
Yes
REAGIN
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 Reagin
noun
1.An antibody.
2.A substance elaborated by the spirochetes of syphilis and yaws, having the property of uniting with lipoids, and of fixing complement.