back channel

Fetched 2026-10-26 (cache).

Synonyms: backchannel, back-channel

Antonyms: backchannel, back-channel

Related words from Datamuse; suggestions, not definitions.

Noun

1. The smaller of two [[channel]]s in a [[river]] that diverge to form an [[island]].
2. A secondary [[channel]] of activity, typically in parallel with primary channels and somewhat independent of them.
3. An [[unofficial]] [[communication]]s channel used to make [[informal]] or [[subversive]] [[negotiation]]s.
4. {{lb|en|computing}} A [[real-time]] online discussion that occurs [[simultaneously]] with a [[verbal]] [[presentation]].
5. {{senseid|en|linguistics}} {{lb|en|linguistics}} A [[gesture]] or short [[prompt]] by which a [[listener]] invites a [[speaker]] to [[continue]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.