Origin of ballista
How to use ballista in a sentence
In this way the blows of ballistae and the force of fires will be repelled by them.
It is said that from the ballistae stones weighing one hundred pounds could be sent half a mile.Selections from Viri Romae|Charles Franois L'Homond
Ballistae are constructed on varying principles to produce an identical result.
Having therefore got together a hundred and fifty catapults, and twenty-five stone-throwing ballistae, he sat down before Thebes.
Their ballistae threw stones, weighing a hundred weight, a distance of a quarter of a mile.For the Temple|G. A. Henty