Is “Redback” a Scrabble word?
Yes
REDBACK
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 Redback
noun
1.A venomous spider, Latrodectus hasselti, endemic to Australia.
2.A brown and white sandpiper, Calidris alpina, native to the Northern Hemisphere; the dunlin.