back channel
See also: backchannel and back-channel
English
Noun
back channel (plural back channels)
- The smaller of two channels in a river that diverge to form an island.
- An unofficial communications channel used to make informal or subversive negotiations.
- (linguistics) A gesture or short prompt by which a listener invites a speaker to continue.
Related terms
- backchannel
- back-channel
References
- OED 2006