Twelve-pounder

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A cannon of a certain bore size (caliber) that was named for an iron cannonball that weighed twelve pounds in a certain outdated system of weights and measures.
  2. 2
    A cannonball of the type that gave such a cannon its name.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.