<p><strong>Noun</strong></p><ul><li>(in the French Revolution) A member of a radical society or club of revolutionaries that promoted the Reign of Terror and other extreme measures, active chiefly from 1789 to 1794: so called from the Dominican convent in Paris, where they originally met.</li><li>An extreme radical, especially in politics.</li><li>A Dominican friar.</li><li>(lowercase) One of a fancy breed of domestic pigeons having neck feathers that hang over the head like a hood.</li></ul>