Definition of Jacobin
1 : dominican
2 [French, from Jacobin Dominican; from the group's founding in the Dominican convent in Paris] : a member of an extremist or radical political group; especially : a member of such a group advocating egalitarian democracy and engaging in terrorist activities during the French Revolution of 1789
Origin of jacobin
Middle English, from Anglo-French jacopin, from Medieval Latin Jacobinus, from Late Latin Jacobus (St. James); from the location of the first Dominican convent in the street of St. James, Paris
First Known Use: 14th century
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