Source : Webster's Revised Unabridged Dictionary (1913)

Calcarate \Cal"ca*rate\, Calcarated \Cal"ca*ra`ted\, a. [LL.
   calcaratus, fr. L. calcar. See 2d Calcar.]
   1. (Bot.) Having a spur, as the flower of the toadflax and
      larkspur; spurred. --Gray.

   2. (Zo["o]l.) Armed with a spur.