The Collaborative International Dictionary
Intercommune
Intercommune \In`ter*com*mune"\, v. i. [imp. & p. p. Intercommuned; p. pr. & vb. n. Intercommuning.] [Cf. Intercommon, Intercommunicate, Commune.]
To intercommunicate. [Obs.]
To have mutual communication or intercourse by conversation. [Scot.]
Wiktionary
intercommune
vb. (context obsolete Scotland English) To have mutual communication or intercourse by conversation.