back channel

1. 1.

   an alternative to the regular channels of communication that is used when agreements must be made secretly (especially in diplomacy or government)

   “they negotiated via a back channel”

   Broaderchannel

Questions about back channel

What does back channel mean?

back channel means "an alternative to the regular channels of communication that is used when agreements must be made secretly (especially in diplomacy or government)".

Is back channel a common word?

back channel is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.