Is “Teriyaki” a Scrabble word?
Yes
TERIYAKI
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 Teriyaki
/ˌteɹiˈjɐːki/
noun
1.A cooking technique used in Japanese cuisine in which foods are broiled or grilled in a sweet soy sauce marinade.
2.A sweet soy sauce marinade
“Put some teriyaki on it.”