course ‧ book /ˈkɔːsbʊk $ ˈkɔːrs-/ BrE AmE noun [countable] British English
a book that students use regularly during a set of lessons on a particular subject SYN textbook
course ‧ book /ˈkɔːsbʊk $ ˈkɔːrs-/ BrE AmE noun [countable] British English
a book that students use regularly during a set of lessons on a particular subject SYN textbook
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012