The definition of a stack is a somewhat orderly pile.(noun)
An example of a stack is nine books sitting on a table, one on top of another.
To stack is to arrange in a pile.(verb)
An example of to stack is to pile up pieces of firewood into a compact space.
See stack in Webster's New World College Dictionary
Origin: ME stac < ON stakkr, akin to MLowG stack, barrier of slanting stakes: for IE base see stick
See stack in American Heritage Dictionary 4
Origin: Middle English stac
Origin: , from Old Norse stakkr.
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