单词	carina
释义	carina noun ca·​ri·​na kə-ˈrī-nə  -ˈrē-  plural carinas or carinae kə-ˈrī-ˌnē  -ˈrē-ˌnī 1 : a keel-shaped anatomical part, ridge, or process 2 Carina : a constellation in the southern hemisphere lying near the Southern Cross that is represented by the figure of a ship's keel Word History Etymology New Latin, from Latin, hull, keel — more at careen First Known Use circa 1704, in the meaning defined at sense 1 Medical Definition carina noun ca·​ri·​na kə-ˈrī-nə  -ˈrē-  plural carinas or carinae -ˈrī-ˌnē, -ˈrē-ˌnī  : any of various keel-shaped anatomical structures, ridges, or processes: as a : a ridge on the lower surface of the fornix of the brain b : the ventral distal part of the vagina
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