Is “Trass” a Scrabble word?
Yes
TRASS
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 Trass
/tɹɑːs/
noun
1.A white to grey volcanic tufa, formed of decomposed trachytic cinders, sometimes used as a cement.
2.A coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water.