(also re·fresh·er especially in NAmE ) noun
a short period of training to improve your skills or to teach you about new ideas and developments in your job
(also re·fresh·er especially in NAmE ) noun
a short period of training to improve your skills or to teach you about new ideas and developments in your job
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005