Stack

Part of speech: verb (v.)

To lay in a conical or other pile; to make into a large pile; as, to stack hay, cornstalks, or grain; to stack or place wood. To stack arms (Mil.), to set up a number of muskets or rifles together, with the bayonets crossing one another, and forming a sort of conical pile.

Part of speech: adjective (a.)

1. A large pile of hay, grain, straw, or the like, usually of a nearly conical form, but sometimes rectangular or oblong, contracted at the top to a point or ridge, and sometimes covered with thatch. But corn was housed, and beans were in the stack. Cowper.

2. A pile of poles or wood, indefinite in quantity. Against every pillar was a stack of billets above a man's height. Bacon.

3. A pile of wood containing 108 cubic feet. [Eng.]

4. A number of flues embodied in one structure, rising above the roof. Hence:

5. Any single insulated and prominent structure, or upright pipe, which affords a conduit for smoke; as, the brick smokestack of a factory; the smokestack of a steam vessel. (Computer programming)

6. A section of memory in a computer used for temporary storage of data, in which the last datum stored is the first retrieved.

7. A data structure within random-access memory used to simulate a hardware stack, as, a push-down stack. Stack of arms (Mil.), a number of muskets or rifles set up together, with the bayonets crossing one another, forming a sort of conical self-supporting pile.