A spherical projectile fired from a smoothbore cannon. / An explosive-filled hollow iron sphere fused through a hole and intended to explode at a calculated distance rather than explode on impact.

(intransitive) To jump or dive into water, performing a cannonball landing. / (intransitive) To career; to move rapidly.

plural of cannonball

Third-person singular simple present indicative form of cannonball

present participle of cannonball

simple past tense and past participle of cannonball

plural of cannonballer

One who cannonballs.

(mathematics) The challenge of proving that the only solution of the Diophantine equation :∑ₙ₌₁ᴺn²=M²; with N > 1 is when N = 24 and M = 70.

A circus performer who is launched from a specially designed cannon.