a. [ Pref. bi- + calcarate. ] Having two spurs, as the wing or leg of a bird. [ 1913 Webster ]

{ } a. [ LL. calcaratus, fr. L. calcar. See 2d Calcar. ] [ 1913 Webster ]

1. (Bot.) Having a spur, as the flower of the toadflax and larkspur; spurred. Gray. [ 1913 Webster ]

2. (Zool.) Armed with a spur. [ 1913 Webster ]