Is “Thrum” a Scrabble word?
Yes
THRUM
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 Thrum
/θɹʌm/
noun
1.A thrumming sound; a hum or vibration.
2.A spicy taste; a tang.
verb
1.To cause a steady rhythmic vibration, usually by plucking.
“She watched as he thrummed the guitar strings absently.”
2.To make a monotonous drumming noise.
“to thrum on a table”