speakerphone

noun3

1. •
   A loudspeaker on a telephone that broadcasts the sound, in order to use it hands-free.

   • It wasn’t on speakerphone, and I could still hear him [Boris Johnson] shouting and swearing — 2026
2. •
   A feature on a phone that reroutes audio through the phone's external speaker, rather than the earpiece.
3. •
   A telephone with a microphone and loudspeaker separate from those in the handset.