1.NounA device for transmitting conversations and other sounds in real time across distances, now often a small portable unit also capable of running software etc.
"Daragh's on the phone at the moment. He'll call you when he's finished.; My phone ran out of battery.; There's an old-fashioned phone in the doctor's waiting room - it doesn't work anymore, of course."
2.NounA person's telephone number (as a means of contact); digits.
3.VerbTo call (someone) using a telephone.
"Phone me as soon as you land at the airport.; Her father told her to phone him to pick her up in case it started raining heavily."
4.NounA speech segment that possesses distinct physical or perceptual properties, considered as a physical event without regard to its place in the phonology of a language.