bicarinate,a.Bot.|baɪˈkærɪneɪt| [f. bi- prefix2 1 + carinate, f. L. carīna keel.] Furnished with two keels or axial ridges. So biˈcarinated. 1872Oliver Elem.Bot.App. 310 The pale..bicarinate with inflexed margins.1880Jrnl.Linn.Soc. XV. 226 Shell..conical, with bicarinated contracted whorls.