American Dictionary

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Definition stack in American English

stack noun

noun
/stæk/
1

a pile of things placed one on top of another

Example

a stack of unopened mail

Example

There were stacks of books on the floor.

Synonyms and related words
1.1

a pile of things standing or lying together

Example

a stack of firewood

Synonyms and related words
1.2

a pile of hay (=dry grass) or straw (=dry stems from a crop)

Synonyms and related words
2

a chimney (=a tube for letting smoke or gases escape into the air)

Example

smokestack

Synonyms and related words
3

the place in a library where books are stored and, where ordinary readers cannot go

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4

a system for storing information on a computer

Synonyms and related words
Definition stack in American English