(~s)
A ~ is a piece of music that is not written in a traditional or fixed form. (TECHNICAL)
N-COUNT: usu sing
(~s)
A ~ is a piece of music that is not written in a traditional or fixed form. (TECHNICAL)
N-COUNT: usu sing
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012