cannonball

cannonball — noun

1. a heavy round object made of metal or stone that was shot from a large gun calle

1.名詞B1
釋義

a heavy round object made of metal or stone that was shot from a large gun called a cannon, used in battles in past centuries

例句

The museum display showed a rusted iron cannonball from a 17th-century warship.

historic sense, used with 'rusted', 'iron' as modifier

Children playing near the old fortress found a small cannonball buried in the grass.

同義詞
  • shot

    broader term covering any projectile fired from a cannon or gun

  • projectile

    more technical; covers any object thrown or fired through the air

用法筆記

Typically found in historical or museum contexts. The sense is mostly passive vocabulary for modern learners — you are more likely to read about cannonballs than to use the word in conversation.

2. a very hard and fast stroke in tennis or similar sports, especially a serve that

2.名詞B2
釋義

a very hard and fast stroke in tennis or similar sports, especially a serve that gives the opponent little time to react

例句

Nadia won the match with a cannonball serve that her opponent could not reach.

informal sports term; collocation: 'cannonball serve'

The young player practiced her cannonball shot every day until it became unstoppable.

同義詞
  • rocket

    similar metaphor for a very fast shot; slightly less common

  • bullet (serve/shot)

    another metaphor for extreme speed; implies precision as well

用法筆記

Used mostly in informal sports commentary or casual conversation about tennis. Not a standard technical term in official tennis rules.

3. a jump into a swimming pool or other body of water in which a person tucks the a

3.名詞B1
釋義

a jump into a swimming pool or other body of water in which a person tucks the arms around the knees and curls the body into a ball shape, usually to make a big splash

例句

Ravi did a huge cannonball off the diving board and splashed everyone by the pool.

collocation: 'do a cannonball'; recreation context

The children screamed with joy as each took turns doing a cannonball into the lake.

同義詞
  • bomb

    British informal term for a similar pool jump; 'bomb' often implies landing flat rather than tucked

用法筆記

Most common in informal poolside or beach contexts. The word can be used for the jump itself ('do a cannonball') or for the body position assumed during the jump.

cannonball — verb