Is “Quadrangular” a Scrabble word?
Yes
QUADRANGULAR
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 Quadrangular
adjective
1.Having the shape of a quadrangle; in the shape of a quadrangle.