Definition:
- (a.) Whirling in the manner of a top.
- (a.) Shaped like a top, or inverted cone; narrow at the base, and broad at the apex; as, a turbinated ovary, pericarp, or root.
- (a.) Turbinal.
- (a.) Spiral with the whorls decreasing rapidly from a large base to a pointed apex; -- said of certain shells.