Originally U.S. A meeting or conference at which the participants engage in intensive discussion and activity relating to a particular subject or…

transferred. An institution, class, conference, etc., for instruction in or the study of a particular subject; a seminar. Chiefly U.S.

A conference of specialists; also, more generally, a course of instruction for managers, etc. Originally U.S.

An informal debate (often of some length) on a matter of public, usually political, interest, originally between the staff and students of a…

In feminist use: a seminar, a discussion group.