backchannel
noun/ˈbæktʃænl/
/ˈbæktʃænl/
- a secret or unusual way of passing information to other people
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
- (linguistics) a sound or sign that somebody makes to show that they are listening to the person who is talking to them
Check pronunciation:
backchannel