1a telephone:a few seconds later the phone ranga receptionist answered the phone [as modifier]:a phone number
2 (phones) informal headphones or earphones.
verb
(also phone up or phone someone up)
call someone on the telephone: [with object]:he phoned her at work [no object]:she phoned about twenty minutes ago
(phone it in) US informal work or perform in a desultory fashion:I think of my playing as committed—I can’t remember ever phoning it in at any performance
