speakerphone

[ spee-ker-fohn ]
/ ˈspi kərˌfoʊn /

noun

a telephone or telephone attachment equipped with both loudspeaker and microphone, thus permitting the instrument to be used without being held.

Origin of speakerphone

1955–60, Americanism; (loud)speaker + (micro)phone or (tele)phone

Example sentences from the Web for speakerphone

  • This professor at Aquinas College in Michigan has a rule: if your phone rings in class, you must answer it on speakerphone.

    April’s Best Viral Videos |The Daily Beast Video |April 30, 2014 |DAILY BEAST
  • A friendly girl at the reception buzzes new visitors in, after a short interview on a speakerphone.

    Sochi’s Furtive Gay Clubs |Anna Nemtsova |October 26, 2013 |DAILY BEAST
  • His speakerphone made him sound like he was at the bottom of a well.

    Makers |Cory Doctorow

British Dictionary definitions for speakerphone

speakerphone
/ (ˈspiːkəˌfəʊn) /

noun

a telephone incorporating an external microphone and loudspeaker, allowing several people to participate in a call at the same time