caliver
Caliver is a historical term referring to a light firearm or small artillery piece used in early modern Europe, roughly from the 15th to the 17th century. The exact meaning varied by country and period, and sources often use the word in overlapping ways. In many English and continental texts, a caliver denotes a hand-held firearm—typically described as lighter and shorter than the muskets and arquebuses of the era. Some accounts, however, use caliver to describe a small cannon or gun used on ships or in garrisons, distinct from heavier pieces such as culverins or demi-culverins.
The weapon could be loaded with a relatively modest charge and fired from matchlock or wheel-lock mechanisms,
Over time, as firearms terminology standardized, the term caliver largely disappeared from formal classifications. By the