from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A medium-sized cannon, slightly larger than a culverin and smaller than a standard cannon.
from the GNU version of the Collaborative International Dictionary of English
- n. A kind of ordnance, carrying a ball weighing from thirty to thirty-six pounds.
from The Century Dictionary and Cyclopedia
- n. A name given to one of the larger kinds of heavy gun, as used in the latter part of the sixteenth century.
demi- + cannon (Wiktionary)