Search Result for "speakerphone": 
Wordnet 3.0

NOUN (1)

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; 



WordNet (r) 3.0 (2006):

speakerphone
    n 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