Webster's 1828 Dictionary
INTERCOMMON
v.i.[inter and common. ] 1. To feet at the same table.
2. To graze cattle in a common pasture; to use a common with others, or to possess or enjoy the right of feeding in common.
Common because of vicinage, is where the inhabitants of two townships contiguous to each other, have usually intercommoned with one another.
INTERCOMMONING
ppr. Feeding at the same table, or using a common pasture; enjoying a common field with others.
Webster's 1913 Dictionary
INTERCOMMON
In `ter *com "mon, v. t. [imp. & p. p. Intercommoned; p. pr. & vb. n.Intercommoning. ] Etym: [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 )
Defn: To graze cattle promiscuously in the commons of each other, as the inhabitants of adjoining townships, manors, etc.
INTERCOMMONAGE
In `ter *com "mon *age, n. (O. Eng. Law )
Defn: The right or privilege of intercommoning.
The Wordsmith Dictionary