1. [noun] A Dominican friar.
2. [noun] A member of a radical French political club founded (at an old Jacobin convent) in 1789 and one of the driving forces of the French Revolution.
3. [noun] (by extension) A political radical.
4. [noun] A breed of domestic pigeon (known for its feathered hood over its head).
5. [adjective] Of, or related to the radical French political club that was a driving force of the French Revolution.
6. [adjective] (by extension) Politically radical.
7. [noun] A member of the radical movement that instituted the Reign of Terror during the French Revolution.
