1. Mechanical or automated devices that set up bowling pins on a lane after they have been knocked down.
Usage: Usually used in plural form; Common in bowling alleys
2. People who manually set up bowling pins, especially in older or less automated bowling establishments.
Usage: Historical or informal usage; Less common in modern bowling alleys

Examples

• The bowling alley installed new pinspotters to speed up the game.
• Modern pinspotters use sensors to detect when all pins have been knocked down.
• The pinspotters malfunctioned, so the league had to pause their tournament.
• Before automatic pinspotters were invented, young workers called pin boys had to set pins manually.
• The pinspotters reset the lane in seconds, allowing the next bowler to take their turn.