The Collaborative International Dictionary
Demicannon \Dem"i*can"non\, n. (Mil. Antiq.)
A kind of ordnance, carrying a ball weighing from thirty to
thirty-six pounds.
--Shak.
Wiktionary
n. A medium-sized cannon, slightly larger than a culverin and smaller than a standard cannon.
Usage examples of "demicannon".
When tired, sweaty hands seemed to be slipping on a guiding line in the lowering of the bronze tube of a massive thirty-two-pounder demicannon, Sir Roberto hurriedly kicked off his jackboots and ran out onto the wet, mud-slimy, uneven boards to add his strength to the task.
Habana boasts so many full cannon, demicannon, and tercero-cannon, I think.
In the aftermath of the incident, however, Don Guillermo found himself and his garrison in possession of a true abundance of the sinews of warfaresmall arms of all kinds, sling pieces and cannon up to a size of full culverins and demicannon, piles of equipment, so much powder of various grades that he was obliged to set his men to digging a new, temporary overflow magazine to hold it all in safety, plus a small mountain of assorted supplies which had been intended to feed and maintain a force of Frenchmen while on campaign .
Irish barge, I think, and if it become obvious that the mounting of demicannon will dangerously deepen the draught, well .
Within a few hours, demicannons and culverins were being rowed to the beach, heaved ashore in heavy-duty cargo nets, then winched to the cliff-top by sailors who did not lack for a host of willing, helpful hands and arms and backs from the men of Benchor and others come in from the smaller settlements and holdings round about Lough Loig.
There will be two long culverins of twenty pounds for your chasers, twelve demiculverins for your waist-guns, and a brace of twelve-pounder demicannons for your quarterdeck.