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involute

adjective

Latin root: involutus Wiktionary

adjective Definition from WordNet 3.1, Princeton University. More about involute at Wordnik → Where our words come from →

  1. Especially of petals or leaves in bud; having margins rolled inward.
  2. (of some shells) closely coiled so that the axis is obscured.

Origin

Borrowed from Latin involutus.

From Wiktionary, via Kaikki.org (CC BY-SA)