demi-cannon

Upon every bulwark is mounted one demi-cannon, besides other great guns; in other places are smaller pieces.

In the port ride two caravels--eighty tons, no more--and their greatest gun a demi-cannon.

The Revenge mounted forty "great ordnance" of brass, including cannon-royal, demi-cannon, and culverins for firing a broadside.

One demi-cannon cast in Manila, old style, caliber sixteen libras, length twenty-two calibers.

One demi-cannon, old casting of Manila, caliber sixteen libras, length twenty-two calibers.