Is “Rattlebox” a Scrabble word?
Yes
RATTLEBOX
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 Rattlebox
noun
1.A toy that makes a rattle sound; a rattle.
2.An American herb (Crotalaria sagittalis), whose ripe seeds rattle in the inflated pod.
3.Any species of Crotalaria, a genus of yellow-flowered herbs, with inflated, many-seeded pods.