Spiral
Part of speech: noun
Definition: A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point. A helix.
Part of speech: verb
Definition: To move along the path of a spiral or helix. To increase continually.
Example sentence: I carry a small spiral notebook with me at all times and have been doing this for many years. There's a shoe box in my closet filled with these notebooks, each riddled with notes and impressions, ideas, schemes, and soup recipes.
Volute
Part of speech: noun
Definition: The spiral curve on an Ionic capital.The spirls or whorls on a gastropod's shell.Any marine gastropod of the (super)family Volutidae.