noun
1.
an occasion when you practise a performance, etc. without an audience being present
2.
a careful explanation of the details of a process
noun
1.
an occasion when you practise a performance, etc. without an audience being present
2.
a careful explanation of the details of a process
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005