[{"Bold_text": "noun", "List Items": ["a spiral or twisted formation or object.", "Architecture.a spiral ornament, found especially in the capitals of the Ionic, Corinthian, and Composite orders.", "Carpentry.a horizontal scrolled termination to the handrail of a stair.", "Zoology.a turn or whorl of a spiral shell.any of various tropical marine gastropods of the family Volutidae, many species of which have shells prized for their coloration.", "a turn or whorl of a spiral shell.", "any of various tropical marine gastropods of the family Volutidae, many species of which have shells prized for their coloration.", "the spiral casing surrounding the impeller of a centrifugal pump."]}, {"Bold_text": "adjective", "List Items": ["having a volute or rolled-up form.", "Machinery.spirally shaped or having a part so shaped.moving in a circular way, especially if combined with a lateral motion.", "spirally shaped or having a part so shaped.", "moving in a circular way, especially if combined with a lateral motion."]}]