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Webster 1913 Edition

Noun.

Intercommunication; community of possessions, religion, etc.

In consequence of that

intercommunity

of paganism . . . one nation adopted the gods of another.

Bp. Warburton.

Noun.

[inter and community.] A mutual communication or community; mutual freedom or exercise of religion; as the intercommunity of pagan theology.

intercommunity ‎(not comparable)