CLASSROOM
Meaning of CLASSROOM in English
class ‧ room S3 W3 /ˈklɑːs-rʊm, -ruːm $ ˈklæs-/ BrE AmE noun [countable]
a room that you have lessons in at a school or college
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012