jumping bean


from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A seed of certain Mexican plants, especially of the genus Sebastiania, containing the larva of a tortricid moth whose movements cause the seed to jerk or roll.

from The Century Dictionary.

  • noun Same as jumping-seed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A Mexican jumping bean.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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


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