Webster's Revised Unabridged Dictionary · 1913

Intercommon

Intercommon , transitive verb

[Old French entrecommuner. See Inter-, and Common, and compare Intercommune.]

1.
To share with others; to participate; especially, to eat at the same table. [Obsolete] — Bacon
2.
(O. Eng. Law) To graze cattle promiscuously in the commons of each other, as the inhabitants of adjoining townships, manors, etc.