A button-down shirt or a shirt with a button-down collar has a button under each end of the collar which you can fasten.
ADJ : ADJ n
A button-down shirt or a shirt with a button-down collar has a button under each end of the collar which you can fasten.
ADJ : ADJ n
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006