The Collaborative International Dictionary of English v.0.48:
handset \handset\ n. (Electronics) The mouthpiece and earpiece of a communications device mounted on a single handle; as, when the telephone rings, pick up the handset. Syn: French telephone. [WordNet 1.5]WordNet (r) 3.0 (2006):
handset n 1: telephone set with the mouthpiece and earpiece mounted on a single handle [syn: handset, French telephone]