D defs.my
Entry 1 sense Webster, 1913

Carinate

· Car·i·nate · IPA /ˈkæɹɪnət/
01 a. Shaped like the keel or prow of a ship; having a carina or keel; as, a carinate calyx or leaf; a carinate sternum (of a bird).
  1. 1.
    Shaped like the keel or prow of a ship; having a carina or keel; as, a carinate calyx or leaf; a carinate sternum (of a bird).