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Synonyms

ballista

American  
[buh-lis-tuh] / bəˈlɪs tə /

noun

  • ballistae
    plural
  1. an ancient military engine for throwing stones or other missiles.


ballista British  
/ bəˈlɪstə /

noun

  1. an ancient catapult for hurling stones, etc

  2. an ancient form of large crossbow used to propel a spear

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of ballista

1590–1600; < Latin, probably < Greek *ballistā́s, dialectal variant of *ballistḗs, equivalent to báll ( ein ) to throw + -istēs -ist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

During daylight hours, the ballista spider remains hidden beneath a leaf positioned above areas where green tree ants are actively foraging.

From Science Daily Jun. 26, 2026

The small nocturnal arachnid has been nicknamed the ballista spider after the ancient Roman siege weapon that launched bolts and stones using stored tension.

From Science Daily Jun. 26, 2026

Though it is yet to be formally named, scientists have nicknamed the tiny spider "ballista", after the ancient weapon used to hurl stones in battle.

From BBC Jun. 23, 2026

Although many people have identified the scorpion as a type of ballista, it lacks the torsion springs that ballistae use to thrust their projectile forward with such incredible force.

From Slate May 7, 2019

Percy glanced toward the stern and spotted Frank, in human form, peeking out from behind a ballista, waiting.

From "The Mark of Athena" by Rick Riordan

“Scorpions,” ballistae developed by Hand of the Queen Qyburn, posed the primary threat to Drogon.

From Slate May 13, 2019

Although many people have identified the scorpion as a type of ballista, it lacks the torsion springs that ballistae use to thrust their projectile forward with such incredible force.

From Slate May 7, 2019

Piper paced back and forth between the mainmast and the ballistae, practicing her lines.

From "The Mark of Athena" by Rick Riordan

It looked just like the illustrations Annabeth had seen in military history books—with a defensive trench lined with spikes, high walls, and watchtowers armed with scorpion ballistae.

From "The Mark of Athena" by Rick Riordan

“Second, I don’t think the ballistae will do any good. That shell is like Nemean Lion skin. Its head isn’t any softer.”

From "The House of Hades" by Rick Riordan

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