Definition of turbinated

• 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.