phone in WordNet English dictionary

1. get or try to get into communication (with someone) by telephone
   "I tried to call you all night"; "Take two aspirin and call me in the morning"
   call  telephone  call up  phone  ring 
   

1. electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear
   "it was not the typing but the earphones that she disliked"
   earphone  earpiece  headphone  phone 
   
2. electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds
   "I talked to him on the telephone"
   telephone  phone  telephone set 
   
3. (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language
   phone  speech sound  sound 
   

phone in English Wiktionary