Is “Overdub” a Scrabble word?
Yes
OVERDUB
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 Overdub
noun
1.(sound engineering) An overdubbed part.
“The rhythm guitar part is live, but the solo is an overdub.”
verb
1.(sound engineering) To record a part along with an already recorded part or parts.
“The rhythm guitar part is live, but the solo was overdubbed.”