(~s)
A ~ is someone who regularly stays up late at night, or who prefers to work at night. (INFORMAL)
N-COUNT
(~s)
A ~ is someone who regularly stays up late at night, or who prefers to work at night. (INFORMAL)
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012