— Jacobinic, Jacobinical , adj. — Jacobinism , n.
/jak"euh bin/ , n.
1. (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.
2. an extreme radical, esp. in politics.
3. a Dominican friar.
4. ( l.c. ) one of a fancy breed of domestic pigeons having neck feathers that hang over the head like a hood.
[ 1275-1325; ME Jacobin frere ) jacobin frater ) Jacobinus. See JACOB, -IN 1 ]