Source : Webster's Revised Unabridged Dictionary (1913)

Fornicate \For"ni*cate\, Fornicated \For"ni*ca`ted\, a. [L.
   fornicatus, fr. fornix, -icis, an arch, vault.]
   1. Vaulted like an oven or furnace; arched.

   2. (Bot.) Arching over; overarched. --Gray.