Definition of: denarius

(di·nâr′ē·əs) noun plural ·nar·i·i (-nâr′ē·ī)
1. The most important coin of ancient Rome, made of silver and weighing, under Augustus, 1/84 of a pound; the penny of the New Testament.
2. Later, a small copper coin.
3. A gold coin, the denarius aureus, worth 25 silver denarii. Denarius was the Latin name of the English penny, the initial of which (d.) is preserved in monetary notation. [<L denarius (nummus) denary (coin); because it was worth ten asses]
ROMAN DENARIUS