Volute

noun
1.
a spiral or twisted formation or object.
2.
Architecture. a spiral ornament, found especially in the capitals of the Ionic, Corinthian, and Composite orders.
3.
Carpentry. a horizontal scrolled termination to the handrail of a stair.
4.
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.

5.
the spiral casing surrounding the impeller of a volute pump.
adjective
6.
having a volute or rolled-up form.
7.
Machinery.

spirally shaped or having a part so shaped.
moving in a circular way, especially if combined with a lateral motion.

noun
1.
a spiral or twisting turn, form, or object; spiral; whorl
2.
Also called helix. a carved ornament, esp as used on an Ionic capital, that has the form of a spiral scroll
3.
any of the whorls of the spirally coiled shell of a snail or similar gastropod mollusc
4.
any tropical marine gastropod mollusc of the family Volutidae, typically having a spiral shell with beautiful markings
5.
a tangential part, resembling the volute of a snail’s shell, that collects the fluids emerging from the periphery of a turbine, impeller pump, etc
adjective
6.
having the form of a volute; spiral
7.
(machinery) moving in a spiral path

volute vo·lute (və-lōōt’)
n.
A spiral formation, such as one of the whorls of a gastropod shell.