Definition of cannonball in English:


Line breaks: cannon|ball
Pronunciation: /ˈkanənbɔːl


  • 1A round metal or stone projectile fired from a cannon.
    More example sentences
    • Mortars, as seen in the top right and bottom left hand pictures, were used to fire cannonballs over walls into a courtyard to kill soldiers and cause general damage.
    • Dozens of rounds of ammo, bombs and even cannonballs are fired at the trio, yet don't produce one scratch.
    • Also uncovered were musket balls, cannonballs, a grenade and tools.
  • 2 (also cannonball dive) North American A jump into water feet first with the knees clasped to the chest.
    More example sentences
    • She ran down the hill, off the deck, and did a cannonball into the water.
    • Yukirin quickly leaped into the water, doing a cannonball and splashing Fiona.
    • Suddenly, Tyler did a cannonball into the water.

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