three-pounder

English

Noun

three-pounder (plural three-pounders)

2. A cannon of a certain bore size (caliber) that was named for an iron cannonball that weighed three pounds in a certain outdated system of weights and measures.

   Hypernyms: cannon, gun, artillery

   Coordinate terms: nine-pounder, ten-pounder, twelve-pounder

4. A cannonball of the type that gave such a cannon its name.

   Hypernyms: shot, ball, ammunition

   Coordinate terms: nine-pounder, ten-pounder, twelve-pounder