Is “Mule” a Scrabble word?
Yes
MULE
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 Mule
noun
1.The generally sterile male or female hybrid offspring of a male donkey and a female horse.
2.The generally sterile hybrid offspring of any two species of animals.
3.A hybrid plant.
verb
1.To smuggle (illegal drugs).