1. people who stack or arrange things in piles
2. machines or devices used for stacking materials
Usage: industrial
3. workers who stack shelves in stores

Examples

• The warehouse hired more stackers to handle the holiday inventory.
• Automated stackers moved the pallets efficiently in the distribution center.
• Night shift stackers restocked the grocery store shelves.
• The stackers organized the boxes by size and weight.
• Modern stackers can lift materials up to twenty feet high.
• Part-time stackers helped during the busy shopping season.