back channel
Definition from Wiktionary, the free dictionary
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[edit] English
[edit] 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.
[edit] Related terms
[edit] References
- OED 2006