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See also: cannon ball
cannonball (plural cannonballs)
- (military, artillery)
- (diving) The act of jumping (typically into a swimming pool) with the legs bent and the arms wrapped around the knees to create a large splash, mimicking the flight and shape of a cannonball.
- The New Yorker, 30 August 2004, p.40
- The cannonball could be called the S.U.V. of the pool — oversized, brash, hormonally hardwired.
- (slang, figuratively) Something that moves fast, especially a fast train.
- Meetings of the model train club always begin with the song "Wabash Cannonball".
- (tennis) A served ball that travels with great speed and describes little or no arc in flight.
spherical projectile fired from a smoothbore cannon
jumping with the legs bent and the arms wrapped around the knees
- (intransitive) To jump or dive into water, performing a cannonball landing.
- He cannonballed into the pool, drenching us all.
- (intransitive) To career; to move rapidly.
- The car cannonballed past.