From The Collaborative International Dictionary of English v.0.48:
Stack \Stack\ (st[a^]k), n. [Icel. stakkr; akin to Sw. stack, Dan. stak. Cf. Stake.] 1. A large and to some degree orderly 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. [1913 Webster]
But corn was housed, and beans were in the stack. --Cowper. [1913 Webster]
2. Hence: An orderly pile of any type of object, indefinite in quantity; -- used especially of piles of wood. A stack is usually more orderly than a pile [1913 Webster +PJC]
Against every pillar was a stack of billets above a man's height. --Bacon. [1913 Webster]
3. Specifically: A pile of wood containing 108 cubic feet. [Eng.] [1913 Webster]
4. Hence: A large quantity; as, a stack of cash. [Informal] [PJC]
5. (Arch.) (a) A number of flues embodied in one structure, rising above the roof. Hence: (b) 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. [1913 Webster]
6. (Computer programming) (a) A section of memory in a computer used for temporary storage of data, in which the last datum stored is the first retrieved. (b) A data structure within random-access memory used to simulate a hardware stack; as, a push-down stack. [PJC]
7. pl. The section of a library containing shelves which hold books less frequently requested. [PJC]
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.
to blow one's stacks to become very angry and lose one's self-control, and especially to display one's fury by shouting. [1913 Webster +PJC]
From The Collaborative International Dictionary of English v.0.48:
Stack \Stack\, v. t. [imp. & p. p. Stacked (st[a^]kt); p. pr. & vb. n. Stacking.] [Cf. Sw. stacka, Dan. stakke. See Stack, n.] 1. 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. [1913 Webster]
2. Specifically: To place in a vertical arrangement so that each item in a pile is resting on top of another item in the pile, except for the bottom item; as, to stack the papers neatly on the desk; to stack the bricks. [PJC]
3. To select or arrange dishonestly so as to achieve an unfair advantage; as, to stack a deck of cards; to stack a jury with persons prejudiced against the defendant. [PJC]
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. [1913 Webster]