- (of a radio or TV show) maintaining open telephone lines to permit listeners or viewers to phone a program with comments, questions, requests, etc.; call-in.
Origin of open-line
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Canadian a radio or television programme in which listeners' or viewers' questions, comments, etc, are telephoned to the studio and broadcast live.Also called (in Britain and certain other countries): phone-in