n. A ringlet of hair.n. Hence Something having a similar spiral form; any undulation, sinuosity, or flexure.n. Specifically, a winding or circling in the grain of wood.n. A disease of peach-trees which causes great distortion of the leaves. It is caused by an ascomycetous fungus, Taphrina deformans. See Taphrina.n. In mathematics, the vector part of the quaternion resulting from the performance of the operation i.d/dx + j.d/dy + k.d/dz on any vector function iX + jY + kZ.To turn, bend, or form into ringlets, as the hair.To dress or adorn with or as with curls; make up the hair of into curls.To bring or form into the spiral shape of a ringlet or curl; in general, to make curves, turns, or undulations in or on.To take the form of curls or ringlets, as hair.Hence To assume any similar spiral shape; in general, to become curved, bent, or undulated: often with up.To turn and twist about; writhe; squirm.To play at curling. See curling.n. A disease of potatoes in which the shoots become curled up and deformed. It is attributed to chlorosis.n. A disease of other plants in which the leaves curl up.—Leaf-curl. See leaf-curl.In cricket, to cause (the ball) to curve in the air: said of the bowler.In cricket, to curve in the air: said of the ball.