Definition, Meaning & Synonyms

stack

noun

/stæk/

Definition

A stack is a collection of items arranged in a specific order, typically with the last item added being the first one to be removed (LIFO – Last In, First Out).

Examples

She put the books back on the stack.
The programmer used a stack to manage function calls.
They built a stack of firewood for the winter.

Meaning

In general usage, a stack refers to a heap or pile of objects placed on top of each other. It can also refer to a structure or arrangement where things are organized vertically or sequentially.