Ar·min·i·us 
(är-mĭnē-əs) also Ar·min (-mēn) 17? BC-AD 21.
(är-mĭnē-əs) also Ar·min (-mēn) 17? BC-AD 21. German chieftain whose victory over a Roman army in the Teutoburger Wald (AD 9) helped halt the expansion of Roman power east of the Rhine.