Submitted by György Chityil ... on Sat, 01/20/2018 - 01:06 Hierarchy: NounDescription: {{context|by extension}} Communication from members of the public to the makers of a broadcast transmission while it is happening.Ngram: talkbackNgram Text: talkbackSource: WiktionaryIssue: 0Wiktionary tag: by extensionNgram Count: 1