three-way calling

1. 1.

   a way of adding a third party to your conversation without the assistance of a telephone operator

   Broaderconference call

Questions about three-way calling

What does three-way calling mean?

three-way calling means "a way of adding a third party to your conversation without the assistance of a telephone operator".

Is three-way calling a common word?

three-way calling is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.