rev·o·lute (r?v??-lo?ot?)adj. Botany Rolled backward from the tip or margins to the undersurface: a revolute leaf.[Latin revol?tus, past participle of revolvere, to roll back; see revolve.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.revolute (?r?v??lu?t) adj (Botany) (esp of the margins of a leaf) rolled backwards and downwards[C18: from Latin revol?tus rolled back; see revolve]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014rev?o?lute (?r?v ??lut) adj. rolled backward or downward, as the margins of certain leaves. [1375?1425; late Middle English