English

Alternative forms

• back-channel

Verb

backchannel ‎(third-person singular simple present backchannels, present participle backchanneling or backchannelling, simple past and past participle backchanneled or backchannelled)

1. To employ a back channel.
2. (linguistics) To employ non-verbal (oral and visual) means to influence a speaker without interruption.

Noun

backchannel ‎(plural backchannels)

1. (computing) A real-time online discussion that occurs simultaneously with a verbal presentation.