Pronunciation: (in"tur-ku-myOO'ni-kāt"), [key]
—v., -cat•ed, -cat•ing.
1. to communicate mutually, as people.
2. to afford passage from one to another, as rooms.
to exchange (messages or communications) with one another.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.