The meaning of Rattlebox and additional information.

Rattlebox(n.) A toy that makes a rattling sound; a rattle.

Rattlebox(n.) An American herb (Crotalaria sagittalis), the seeds of which, when ripe, rattle in the inflated pod.

Rattlebox(n.) Any species of Crotalaria, a genus of yellow-flowered herbs, with inflated, many-seeded pods.