Definitions

1. noun

A person or machine that stacks things, such as boxes, crates, or wood.

“The forklift was used as a stacker to move heavy boxes onto the pallet.”

2. noun

A person who puts things on top of each other, such as cards or blocks.

“The kid was an expert stacker and could make a tower of blocks very quickly.”

3. noun

A machine or device that automatically stacks items, such as paper or products.

“The factory used a stacker to load boxes onto the conveyor belt.”

4. verb

To arrange things on top of each other, such as cards or blocks.

“She stacked the blocks neatly in the corner of the room.”