The Collaborative International Dictionary of English v.0.48:

Gule \Gule\, v. t.
   To give the color of gules to.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gule \Gule\, n.
   The throat; the gullet. [Obs.]
   [1913 Webster]

         Throats so wide and gules so gluttonous. --Gauden.
   [1913 Webster]