/ Dictionary / Index A Arminius: Meaning and Definition of Find definitions for: Ar•min•i•us Pronunciation: (är-min'ē-us), [key] — n. (Hermann) 17? b.c.–a.d. 21, Germanic hero who defeated Roman army a.d. 9. (Jacob Harmensen), 1560–1609, Dutch Protestant theologian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arminius (Thesaurus) Arminianism armipotent Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language