Is “Byplay” a Scrabble word?
Yes
BYPLAY
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 Byplay
noun
1.Any action, carried out onstage during a performance, apart from the main action.
2.Any action, by supporting actor.