noun \kə-ˈrī-nə, -ˈrē-\
plural carinas or ca·ri·nae \-ˈrī-ˌnē, -ˈrē-ˌnī\

Definition of CARINA

: 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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