from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A space on the reverse of a coin or medal, usually below the central design and often giving the date and place of engraving.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A space beneath the main design on a coin for the insertion of the date.
from the GNU version of the Collaborative International Dictionary of English
- n. The small space beneath the base line of a subject engraved on a coin or medal. It usually contains the date, place, engraver's name, etc., or other subsidiary matter.
from The Century Dictionary and Cyclopedia
- n. In numismatics, that part of the reverse of a coin or medal which is below the main device (“type”), and distinctly separated from it, generally by a line.
French : Greek ex-, ex- + Greek ergon, work.(American Heritage® Dictionary of the English Language, Fourth Edition)