volute

noun

1. a spiral or twisting form; turn; whorl
2. Archit. a spiral scroll forming one of the chief features of Ionic and Corinthian capitals
3. Zool.
   1. any of the turns or whorls of a spiral shell
   2. any of a family (Volutidae) of saltwater gastropods often having brightly colored shells with an elongated opening

adjective

1. rolled up; spiraled
2. having a spirally shaped part