from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small bronze coin minted during the Roman Republic, valued at half an as.
from The Century Dictionary and Cyclopedia
- n. A bronze coin of the ancient Roman republic, half the value of the as. The obverse type is a head of Jupiter, the reverse type the prow of a vessel, and the mark of value S.
- n. A coin of half the value of the coin called the solidus, which circulated widely in medieval Europe in imitation of the imperial gold piece so called.
Latin sēmis (Wiktionary)