Definition of jumping bean in English:

jumping bean

Line breaks: jump|ing bean

noun

A plant seed that jumps as a result of the movement of a moth larva which is developing inside it.
More example sentences
  • They had obtained a pair of Mexican jumping beans.
  • 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.

Definition of jumping bean in:

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