{ } a. [ L. obvolutus, p. p. of obvolvere to wrap round; ob (see Ob-) + volvere to roll. ] Overlapping; contorted; convolute; -- applied primarily, in botany, to two opposite leaves, each of which has one edge overlapping the nearest edge of the other, and secondarily to a circle of several leaves or petals which thus overlap. [ 1913 Webster ]