Mexican jumping bean Moderate

Mexican jumping bean has 2 different meanings across 1 category:

Definitions

Noun

seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble

jumping bean jumping seed Mexican jumping bean

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 (Cydia deshaisiana, the movement of the larva causing the seed to move around.