Definition of jumping bean in English:

jumping bean

noun

  • A plant seed that jumps as a result of the movement of a moth larva which is developing inside it.

    • ‘They had obtained a pair of Mexican jumping beans.’
    • ‘Mexican jumping beans are grown in Mexico on a type of shrub.’
    • ‘For more than half a century Mexican jumping beans have been sold in the United States.’
    • ‘The movements of a jumping bean are actually caused by a caterpillar that lives inside the seed.’
    • ‘The movement of a Mexican jumping bean will cause the tumbler to turn and toss about.’

Pronunciation:

jumping bean

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