ballista
Americannoun
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ballistae
plural
noun
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an ancient catapult for hurling stones, etc
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an ancient form of large crossbow used to propel a spear
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
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“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
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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
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“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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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.