Is “Ctenoid” a Scrabble word?
Yes
CTENOID
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 Ctenoid
noun
1.A ctenoidean.
adjective
1.Having a toothed margin, usually fish scales
2.Comb-like in shape.