Is “Circumscribing” a Scrabble word?
Yes
CIRCUMSCRIBING
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 Circumscribing
verb
1.To draw a line around; to encircle.
2.To limit narrowly; to restrict.
3.To draw the smallest circle or higher-dimensional sphere that has (a polyhedron, polygon, etc.) in its interior.