Is “Grout” a Scrabble word?
Yes
GROUT
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 Grout
/ɡɹʌut/
noun
1.A thin mortar used to fill the gaps between tiles and cavities in masonry.
2.Coarse meal; groats.
3.(typically used in the plural) Dregs, sediment.
verb
1.To insert mortar between tiles.
“I spent the whole afternoon grouting the kitchen floor.”