intercommunicating

Having a common connecting door. (of two rooms etc.)

Adjective

  1. Having a common connecting door. (of two rooms etc.)
    • [...] aluminium is used extensively for cross-partitions, intercommunicating doors and roller shutter doors. - 1962 February, “Talking of Trains: Restaurant car problems”, in Modern Railways, page 79:

Verb

  1. present participle and gerund of intercommunicate