Is “Mossing” a Scrabble word?
Yes
MOSSING
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 Mossing
verb
1.To become covered with moss.
“An oak whose boughs were mossed with age.”
2.To cover (something) with moss.