(~s)
A ~ is a portable device that makes a beeping noise, usually to tell you to phone someone or to remind you to do something.
His ~ sounded and he picked up the telephone.
N-COUNT
(~s)
A ~ is a portable device that makes a beeping noise, usually to tell you to phone someone or to remind you to do something.
His ~ sounded and he picked up the telephone.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012