Being in a format such that listeners or viewers are invited to have their phone conversations with the host or guests on a show broadcast to other listeners: a call-in radio show.
1. A viewer's or listener's phone conversation with or phone call to the host of such a show.
2. A viewer or listener making such a call.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.