Is “Koa” a Scrabble word?
Yes
KOA
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 Koa
/kəʊə/
noun
1.Acacia koa, a species of large tree in the family Fabaceae which is endemic to and common on the islands of Hawaii; or the wood of this tree.