demi-cannon

[dem-ee-kan-uh n]
noun
  1. a large cannon of the 16th century, having a bore of about 6½ inches (17 cm) and firing a shot of from 30 to 36 pounds (14 to 16 kg).

Origin of demi-cannon

From Middle French, dating back to 1550–60; see origin at demi-, cannon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for demi-cannon

Historical Examples of demi-cannon