Definition of "circumnutation" []

• The successive bowing or bending in different directions of the growing tip of the stem of many plants, especially seen in climbing plants. (noun)

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• "The changes of position of leaves and of climbing plants, and the sleep of leaves are all brought under this great principle of circumnutation."
• "I hope that you will not have upset my fundamental notion that various classes of movement result from the modification of a universally present movement of circumnutation."
• "The present letter is interesting in referring to F.itz Muller's observations on the "revolving nutation," or circumnutation of Alisma macrophylla and Linum usitatissimum, the latter fact having been discovered by F. Muller's daughter Rosa."