a prolonged period of lectures, speeches, etc., conducted without interruption by members of the faculty and invited guests at a college or university as a technique of social protest.
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How to use teach-in in a sentence
He was the impetus for a teach-in organized by some Oakland public school teachers in 1999.The Slain Policeman's Widow in the Mumia Abu-Jamal Case Speaks | Michael Smerconish | November 8, 2010 | THE DAILY BEAST
British Dictionary definitions for teach-in
an informal conference, esp on a topical subject, usually held at a university or college and involving a panel of visiting speakers, lecturers, students, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012