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Definition of Mexican jumping bean
1. Noun. Seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble.
Exact synonyms: Jumping Bean, Jumping Seed
Group relationships: Genus Sebastiana, Sebastiana
Generic synonyms: Seed
Group relationships: Genus Sebastiana, Sebastiana
Generic synonyms: Seed
Definition of Mexican jumping bean
1. Noun. A type of seed of a shrub of the genus ''Sebastiania'' in which a larva has hatched from an egg laid there by a moth, the movement of the larva causing the seed to move around. ¹
¹ Source: wiktionary.com