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back channel

or back·chan·nel

[ bak-chan-l ]
/ ˈbæk ˌtʃæn l /
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noun
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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Origin of back channel

First recorded in 1965–70

OTHER WORDS FROM back channel

back-chan·nel, adjectiveback-chan·nel·ing, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use back channel in a sentence

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