ballista

• 名词，指中世纪用于攻城的大型投射武器，可将石块等重型弹丸抛射到敌方要塞。

A noun referring to a large medieval siege engine used to hurl heavy projectiles such as stones or other missiles at fortifications.

1. Siege engineC1formaltechnical

   A large ancient and medieval military engine used to hurl heavy stones, bolts, or other projectiles during sieges.

   弩炮

   • The army used a ballista to break down the castle walls.
   • Roman engineers designed the ballista for maximum range and power.
   • During the siege, the defenders were terrified by the ballista's massive stones.

   同义词catapultmangonelonagertrebuchet