Is “Mason” a Scrabble word?
Yes
MASON
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 Mason
/ˈmeɪsən/
noun
1.A bricklayer, one whose occupation is to build with stone or brick
2.One who prepares stone for building purposes.
3.A member of the fraternity of Freemasons. See Freemason.
verb
1.(normally with a preposition) To build stonework or brickwork about, under, in, over, etc.; to construct by masons
“to mason in a kettle or boiler”