backchannelEnglishOxford Dictionary of Englishbackchannel /ˈbaktʃanl / ▸ noun 1 a secondary or covert route for the passage of information: we used him as a diplomatic backchannel. 2 Psychology a sound or gesture made to give continuity to a conversation by a person who is listening to another: [as modifier] supportive backchannel cues.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English