Is “Gridded” a Scrabble word?
Yes
GRIDDED
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 Gridded
/ˈɡɹɪdɪd/
verb
1.To mark with a grid.
2.To assign a reference grid to.