aureus
au·re·us
noun \ˈȯr-ē-əs\ plural -rei \-ē-ˌī\
Definition of AUREUS
: a gold coin of ancient Rome varying in weight from 1⁄30 to 1⁄70 libra
Origin of AUREUS
Latin, literally, golden, from aurum gold; akin to Old Prussian ausis gold
First Known Use: 1609
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