| Rattlebox | n. |
| american rattlebox | (n) tropical American annual herb having an inflated pod in which the ripe seeds rattle, Syn. Crotalaria sagitallis |
| indian rattlebox | (n) erect subshrub having purple-tinted flowers and an inflated pod in which the ripe seeds rattle; India, Syn. Crotalaria spectabilis |
| crotalaria | (n) any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle; used for pasture and green-manure crops, Syn. rattlebox |