Source : Webster's Revised Unabridged Dictionary (1913)

Hoecake \Hoe"cake`\, n.
   A cake of Indian meal, water, and salt, baked before the fire
   or in the ashes; -- so called because often cooked on a hoe.
   [Southern U.S.]

Source : WordNet®

hoecake
     n : thin usually unleavened johnnycake made of cornmeal;
         originally baked on the blade of a hoe over an open fire
         (Southern)