Jacobin n. : A Dominican friar; -- so named because, before the French Revolution, that order had a convent in the Rue St. Jacques, Paris.

Jacobin n. : One of a society of violent agitators in France, during the revolution of 1789, who held secret meetings in the Jacobin convent in the Rue St. Jacques, Paris, and concerted measures to control the proceedings of the National Assembly. Hence: A plotter against an existing government; a turbulent demagogue.

Jacobin n. : A fancy pigeon, in which the feathers of the neck form a hood, -- whence the name. The wings and tail are long, and the beak moderately short.

Jacobin a. : Same as Jacobinic.

Example:
What led to the formation of the Jacobin Club in 1793 during the French Revolution?

Taxonomy
Jacobin, Jacobin Club, the French Revolution, free encyclopedia, English, Anti-Jacobin, Jacobinism, revolutionary, William Gifford, Eve, Fairbanks, conservatives, French Republic, United Kingdom, United States, search, political term, political organization.

Defination from the web:
... The conventionalized scrawny, French revolutionary sans-culottes Jacobin, was developed from about 1790 by British satirical artists James ...