Is “Clewing” a Scrabble word?
Yes
CLEWING
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 Clewing
verb
1.To roll into a ball
2.(transitive and intransitive) to raise the lower corner(s) of (a sail)