Adjective: involute 'in-vu,loot
- (botany) especially of petals or leaves in bud; having margins rolled inward
"The involute petals of the morning glory unfurl as the flower opens";
- rolled, involuted
- (of some shells) closely coiled so that the axis is obscured
"The involute shell of the nautilus protects its soft body";
- involuted
See also: coiled
Encyclopedia: Involute