Quadralogue

one of the first, things I did was to form a quadralogue between the Navy, in particular trie Secretary of the Navy, the Assistant Secretary for Systems Analysis, and myself (including our staffs, of course), and the subcommittee

The consequence was that the Indian session often became a quadralogue with all the members speaking at once.

Our discussion with the work of art is in fact not a dialogue but a quadralogue between the work of art and reality and two viewers.

In the preferred Dostoevskian model, the author creates a genuine dialogue or perhaps trialogue or quadralogue, that is, a polyphony, in which each voice plays an unchallenged role.