Is “Keyed” a Scrabble word?
Yes
KEYED
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 Keyed
/kiːd/
verb
1.To fit (a lock) with a key.
2.To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them.
3.To mark or indicate with a symbol indicating membership in a class.