stacker

noun

1. Any person or thing that stacks.

   “As behavioral scientists we are not good block stackers — we don't replicate enough or build systematically across knowledge bases.”

2. Any person or thing that stacks.
3. Any person or thing that stacks.
4. Any device allowing items to be stacked.

   “a spring-loaded plate stacker in a cafeteria”

5. Any device allowing items to be stacked.
6. (informal)A person who collects precious metal in the form of various small objects such as coins and bars.

name

1. A surname from German.