Is “Gateaux” a Scrabble word?
Yes
GATEAUX
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 Gateaux
noun
1.A rich, usually iced, cake.
2.A dish of minced meat made up like a pudding, and boiled in a shape or mould.
“a gateau of veal”