Arius

[ uh-rahy-uh s, air-ee- ]
/ əˈraɪ əs, ˈɛər i- /

noun

died a.d. 336, Christian priest at Alexandria: founder of Arianism.
Ancient name of Hari Rud.

Definition for arius (2 of 2)

Hari Rud
[ har-ee rood ]
/ ˈhær i ˈrud /

noun

a river in NW Afghanistan, NE Iran, and S Turkmenistan, flowing W and then N to the Kara Kum desert. 700 miles (1126 km) long.
Ancient Tedzhen River, Arius.
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British Dictionary definitions for arius

Arius
/ (ˈɛərɪəs) /

noun

?250–336 ad, Greek Christian theologian, originator of the doctrine of Arianism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012