Cannonball

n. large metal ball which is fired from a cannon

v. move swiftly, move at great speed

A cannonball is round shot ammunition for a cannon.By analogy, cannonball is also the name or nickname of:A diving technique in swimmingPeopleJulian Cannonball Adderley, jazz alto saxophonistErwin G. "Cannon Ball" Baker, (1882-1960), man who traveled across the USA several times, and in whose honor, the Cannonball Baker Sea-To-Shining-Sea Memorial Trophy Dash (aka "The Cannonball Run") was createdFrank "Cannonball" Richards, a vaudeville performer whose act involved being shot in the gut with a cannonball
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Noun
1. a solid projectile that in former times was fired from a cannon
(synonym) cannon ball, round shot
(hypernym) projectile, missile

Synonyms and related words:
antelope, arrow, ball, bar shot, belly buster, belly flop, belly whopper, bird shot, blue darter, blue streak, buckshot, bullet, cannon shot, case shot, courser, crash dive, crossbar shot, dart, dive, drop, duck shot, dumdum bullet, eagle, electricity, expanding bullet, express train, fall, flash, gainer, gazelle, grape, grapeshot, greased lightning, greyhound, hare, header, jackknife, jet plane, langrel shot, light, lightning, manstopping bullet, mercury, nose dive, parachute jump, pellet, pitch, plunge, pounce, power dive, quicksilver, rifle ball, rocket, round shot, running dive, scared rabbit, shell, shot, shrapnel, sky dive, slug, split shot, stationary dive, stoop, streak, streak of lightning, striped snake, swallow, swan dive, swoop, thought, thunderbolt, torrent, wind
  

PALLA DI CANNONE. MOLTO VELOCE. ASSAI POTENTE. ESSERE VELOCI