stack

Pronunciation

• IPA ^(key): /stæk/

• Audio (AU)

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• Audio (UK)

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Noun

Singular stack

Plural stacks

1. (countable) A pile of something similar.

   There is a stack of books outside. Are those yours?

Verb

Plain form stack

Third-person singular stacks

Past tense stacked

Past participle stacked

Present participle stacking

1. When you stack something, you put something similar on top of one another to form a pile.

   I stacked up the books at one side.