1. Plural of piledriver: a machine or device that drives piles (long posts or beams) into the ground, typically used in construction and civil engineering.
Usage: technical; construction industry
2. Plural of piledriver: a powerful or forceful blow or impact.
Usage: informal

Examples

• The construction crew used several piledrivers to establish the foundation for the bridge.
• Modern piledrivers can operate hydraulically or with diesel power.
• The boxer delivered piledrivers with each punch, overwhelming his opponent.
• Piledrivers are essential equipment for waterfront and deep-foundation projects.
• The storm brought piledrivers of rain and wind throughout the night.