Noun:

கற்களை எதிரியின் மீது எரியும் ஒருவகை பொறி,

ballista's Usage Examples:

They had large war machine like catapults called ballista that fired arrows and a sort of giant catapult that fired massive pieces of rock.

A great feature is that new combos and actions are displayed during the action of the game at the appropriate time (such as how to use a ballista).

The Romans adopted these weapons during the Punic Wars and further developed them, before introducing the new arrow-firing ballista and stone-throwing onager.

The evidence is quite conclusive; yet the fire has been imputed to the Syrians, and a tale was invented about ballistas which hurled against the House of God enormous stones and vessels full of bitumen.

The Medieval Catapults used during the Middle Ages were the Mangonel, the ballista and the mighty trebuchet.

ballista bolt lodged in his spine.

The bolt would probably have been fired by artillery such as a ballista, which was a type of large crossbow.