Is “Corymb” a Scrabble word?
Yes
CORYMB
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 Corymb
/ˈkɒɹɪmb/
noun
1.A cluster of flowers with a flat or convex top.