bicorne--prophetes.ai

bicorne

† biˈcorne Obs. rare^—1.
  In 5 bycorne.
  [a. OF. bicorne:—L. bicorn-is (see prec.) two-pronged (fork).]
  A two-pronged fork, a pitchfork.

c 1420 Pallad. i. 1161 Crookes, adses and bycornes.

Oxford English Dictionary