Is “Diamondback” a Scrabble word?
Yes
DIAMONDBACK
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 Diamondback
/ˈdaɪməndˌbæk/
noun
1.(common name) Either of two species of rattlesnake having a diamond pattern on the back: Crotalus adamanteus, found in the southeastern United States, and Crotalus atrox, found in the southwestern United States and northwestern and central Mexico.
2.The saltmarsh terrapin of the Atlantic coast (Malacoclemmys palustris).
Synonyms: western diamondback rattlesnake