triphammer
/ˈtrɪpˌhæmər/
noun
- A large, heavy hammer that is lifted and then dropped by machinery, used for forging metal or breaking rocks.
- The construction crew brought in a triphammer to break up the concrete foundation.
- In the old factory, the triphammer pounded loudly all day long.
- The blacksmith used a triphammer to shape the red-hot iron into a sword.