Meaning

1 senses
  1. An extended session of lectures, debates or discussions on a matter of public interest, usually social or political, as a form of protest.

    an extended session (as on a college campus) for lectures and discussion on an important and usually controversial issue

Origin

From teach + -in, modeled after sit-in.

From teach + -in, modeled after sit-in.

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Forms

plural: teach-ins
Singularteach-in
Pluralteach-ins

regular

See also

neighbours in the dictionary
teach-in — meaning, examples, forms, synonyms | Krumeto