- intricate; complex.
- curled or curved inward or spirally.
- rolled inward from the edge, as a leaf.
- (of shells) having the whorls closely wound.
- any curve of which a given curve is the evolute.
- to roll or curl up; become involute.
- to return to a normal shape, size, or state.
- complex, intricate, or involved
- (esp of petals, leaves, etc, in bud) having margins that are rolled inwards
- (of certain shells) closely coiled so that the axis is obscured
- the curve described by the free end of a thread as it is wound around another curve, the evolute, such that its normals are tangential to the evolute
- to become involute
