stack

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A large, usually conical pile of straw or fodder arranged for outdoor storage.
• noun An orderly pile, especially one arranged in layers: synonym: heap.
• noun Computers A section of memory and its associated registers used for temporary storage of information in which the item most recently stored is the first to be retrieved.
• noun A group of three rifles supporting each other, butt downward and forming a cone.
• noun A chimney or flue.
• noun A group of chimneys arranged together.
• noun A vertical exhaust pipe, as on a ship or locomotive.
• noun An extensive arrangement of bookshelves.
• noun The area of a library in which most of the books are shelved.
• noun A stackup.
• noun An English measure of coal or cut wood, equal to 108 cubic feet (3.06 cubic meters).
• noun Informal A large quantity.
• intransitive verb To arrange in a stack; pile.
• intransitive verb To load or cover with stacks or piles.
• intransitive verb Games To prearrange the order of (a deck of cards) so as to increase the chance of winning.
• intransitive verb To prearrange or fix unfairly so as to favor a particular outcome.
• intransitive verb To direct (aircraft) to circle at different altitudes while waiting to land.
• intransitive verb To form a stack.

from The Century Dictionary.

• To pile or build in the form of a stack; make into a regularly formed pile: as, to stack grain.
• To make up (cards) in a designed manner, so as to secure an unfair advantage; pack.
• An obsolete or dialectal preterit of stick (and stick).
• noun In gambling and banking games, twenty chips or counters.
• noun A group of retorts set together in the furnace for the manufacture of coal-gas.
• noun That part of a blast-furnace which extends from the boshes to the throat.
• noun A pile of grain in the sheaf, or of hay, straw, pease, etc., gathered into a circular or rectangular form, often, when of large size, coming to a point or ridge at the top, and thatched to protect it from the weather.
• noun A pile of sticks, billets, poles, or cordwood; formerly, also, a pyre, or burial pile.
• noun A pile or group of other objects in orderly position.
• noun A number of funnels or chimneys standing together.
• noun A single chimney or passageway for smoke; the chimney or funnel of a locomotive or steam-vessel: also called smokestack. See cuts under passenger-engine and puddling-furnace.
• noun A high detached rock; a columnar rock; a precipitous rock rising out of the sea.
• noun A customary unit of volume for fire-wood and coal, generally 4 cubic yards (108 cubic feet). The three-quarter stack in parts of Derbyshire is said to be 105 or 106 cubic feet.
• noun plural A large quantity; “lots”: as, stacks of money.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To lay in a conical or other pile; to make into a large pile
• transitive verb 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.
• transitive verb To select or arrange dishonestly so as to achieve an unfair advantage.
• transitive verb (Mil.) to set up a number of muskets or rifles together, with the bayonets crossing one another, and forming a sort of conical pile.
• noun 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.
• noun 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
• noun engraving A pile of wood containing 108 cubic feet.
• noun Informal A large quantity.
• noun A number of flues embodied in one structure, rising above the roof.
• noun Any single insulated and prominent structure, or upright pipe, which affords a conduit for smoke.
• noun A section of memory in a computer used for temporary storage of data, in which the last datum stored is the first retrieved.