rattlebox noun7 •A toy or instrument that makes a rattle sound; a rattle. •An American herb (Crotalaria sagittalis), whose ripe seeds rattle in the inflated pod. •Any species of Crotalaria, a genus of yellow-flowered herbs, with inflated, many-seeded pods. •An ornamental shrub (Sesbania punicea) native to Brazil, Argentina, Paraguay and Uruguay. •Any species of Rhinanthus, a genus of annual hemiparasitic herbaceous plants. •Senna covesii, a perennial subshrub native to the United States and Mexico. •A species of moth, (Utetheisa ornatrix), that feeds on Crotalaria. formsrattleboxes