quinarius
noun
qui·nar·i·us
kwiˈna(a)rēəs
plural quinarii
-ēˌī
1
: a Roman silver coin issued occasionally from the 3d century b.c. and equivalent to ¹/₂ denarius
2
: a gold ¹/₂-aureus piece of imperial Rome
Word History
Etymology
Latin, from quinarius, adjective, quinary