speakerphone
spea·kerp·hone
noun
1.
a telephone with a microphone and loudspeaker; can be used without picking up a handset; several people can participate in a call at the same time
Origin
From speaker + phone.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.