from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A bronze coin minted during the Roman Republic, valued at one-twenty-fourth of an as.
from the GNU version of the Collaborative International Dictionary of English
- n. A Roman coin equivalent to one twenty-fourth part of a Roman pound.
from The Century Dictionary and Cyclopedia
- n. A small Roman coin of the weight of four drachmas, being the twenty-fourth part of the Roman pound.
Latin semuncia ("half-ounce"). (Wiktionary)