1. Seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble
   "Children were fascinated by the seemingly magical movement of the jumping beans"; "Children were fascinated by the seemingly magical movement of the Mexican jumping beans";
   - jumping seed, Mexican jumping bean

Derived forms: jumping beans

Type of: seed

Part of: genus Sebastiana, Sebastiana

Encyclopedia: Jumping bean