1. a machine or device that automatically sets up bowling pins after they have been knocked down
Usage: commonly used in bowling alleys
2. a person whose job is to set up bowling pins manually
Usage: historical; largely replaced by automatic machines

Examples

• The bowling alley installed new pinspotters to speed up the game.
• Modern pinspotters can reset pins in just a few seconds.
• Before automatic pinspotters were invented, young workers called pin boys did the job by hand.
• The pinspotter malfunctioned, so the staff had to reset the pins manually.
• Each lane has its own pinspotter to ensure smooth gameplay.