ˈteach-in BrE AmE noun [countable]
an informal meeting of people who are interested in a particular subject, where they have the opportunity to learn more about it
ˈteach-in BrE AmE noun [countable]
an informal meeting of people who are interested in a particular subject, where they have the opportunity to learn more about it
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012