Black's Law Dictionary (2nd edition)dictionaries

Fenian

A champion, hero, giant This word, in the plural, is generally used to signify invaders or foreign spoilers. The modern meaning of “fenian” is a member of an organization of persons of Irish birth, resident in the United States, Canada, and elsewhere, having for its aim the overthrow of English rule in Ireland, webster, (Supp

Source: Black's Law Dictionary 2nd Ed (1910)