Source : Webster's Revised Unabridged Dictionary (1913)

Intercommon \In`ter*com"mon\, v. t. [imp. & p. p.
   {Intercommoned}; p. pr. & vb. n. {Intercommoning}.] [OF.
   entrecommuner. See {Inter-}, and {Common}, and cf.
   {Intercommune}.]
   1. To share with others; to participate; especially, to eat
      at the same table. [Obs.] --Bacon.

   2. (O. Eng. Law) To graze cattle promiscuously in the commons
      of each other, as the inhabitants of adjoining townships,
      manors, etc.