Meaning of the word solidus in English

What does solidus mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

solidus

US /ˈsɑː.lɪ.dəs/
UK /ˈsɒl.ɪ.dəs/

Noun

a gold coin from the ancient Roman empire:

Example:
The Emperor Constantine is recognizable from a solidus, a gold coin dating from AD316.