Source : Webster's Revised Unabridged Dictionary (1913)

Cole \Cole\, n. [OE. col, caul, AS. cawl, cawel, fr. L. caulis,
   the stalk or stem of a plant, esp. a cabbage stalk, cabbage,
   akin to Gr. ?. Cf. {Cauliflower}, {Kale}.] (Bot.)
   A plant of the {Brassica} or Cabbage genus; esp. that form of
   {B. oleracea} called {rape} and {coleseed}.

Source : WordNet®

cole
     n 1: a hardy cabbage with coarse curly leaves that do not form a
          head [syn: {kale}, {kail}, {borecole}, {colewort}, {Brassica
          oleracea acephala}]
     2: coarse curly-leafed cabbage [syn: {kale}, {kail}]