Is “Cline” a Scrabble word?
Yes
CLINE
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 Cline
/klaɪn/
noun
1.A gradation in a character or phenotype within a species or other group.
2.Any graduated continuum.