• Webster's Revised Unabridged Dictionary
    • a Supervolute (Bot) Having a plainted and convolute arrangement in the bud, as in the morning-glory.
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Century Dictionary and Cyclopedia
    • supervolute In botany, noting a form of estivation in which the plaits of a gamopetalous corolla successively overlap one another, as in the morning-glory, jimson-weed, etc.: same as convolute except that the latter refers to petals instead of plaits; also, of a leaf, same as convolute.
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Chambers's Twentieth Century Dictionary
    • adj Supervolute sū′pėr-vol-ūt (bot.) having a plaited or convolute arrangement in the bud.
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Webster's Revised Unabridged Dictionary
L. supervolutus, p. p. of supervolvere, to roll over; super, over + volvere, to roll