intercommunicate

Meanings

verbintercommunicate (third-person singular simple present intercommunicates, present participle intercommunicating, simple past and past participle intercommunicated)

present singular third person intercommunicates · participle present intercommunicating · participle past intercommunicated · past intercommunicated

intransitiveTo communicate mutually, one with another.
There is also a growing number of teleradio stations on small inter-island craft. All these stations communicate with or through Vila, but may intercommunicate by permission.
1951, Great Britain. Colonial Office, An Economic Survey of the Colonial Territories, page 144
intransitiveTo be interconnected.
The two vehicles of each unit intercommunicate through a vestibule type corridor connection similar to that obtaining in long-distance passenger stock.
1954 July, “Lightweight Diesel Trains for British Railways”, in Railway Magazine, page 459
1 more example
[…] but in analysing the more highly developed houses, where the pavilions are integrated architecturally with other rooms at the ends of the hall, the possibility that they intercommunicated with them cannot be ignored.
2012, J. T. Smith, Roman Villas: A Study in Social Structure