noun
a series of cuts in the edge of a book, with letters of the alphabet on them, to help you to find the section that you want more easily
noun
a series of cuts in the edge of a book, with letters of the alphabet on them, to help you to find the section that you want more easily
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005