involute Definition

1. Entangled; intricate.
2. bot.
Said of petals, etc: rolled in at the edges.
3. Said of shells: curled up in a spiral shape, so that the axis is concealed.

1. geom.
The curve traced out by the different points on a piece of string unwinding from the curve. Compare evolute.

intr
involuted, involuting
1. To become involute or undergo involution.