[ bak -chan-l ]
/ ˈbæk ˌtʃæn l /
a secret, unofficial, or informal channel of communication as used in politics or diplomacy: sensitive information passed on through a back channel.
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What does “barren” mean?
Origin of back channel
First recorded in 1965–70
OTHER WORDS FROM back channelback-chan·nel, adjectiveback-chan·nel·ing, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for back channel
It essentially uses the award as a backchannel to decisively endorse the Polish version of the Katyn events.