Source : Webster's Revised Unabridged Dictionary (1913)

Begem \Be*gem"\, v. t. [imp. & p. p. {Begemmed}; p. pr. & vb. n.
   {Begemming}.]
   To adorn with gems, or as with gems.

         Begemmed with dewdrops.                  --Sir W.
                                                  Scott.

         Those lonely realms bright garden isles begem.
                                                  --Shelley.