Definition of: stack

(stak) noun
1. A large, orderly pile of unthreshed grain, hay, or straw, usually conical.
2. Any systematic pile or heap, as a pile of poker chips purchased or won by a player.
3. A group of rifles (usually three) set upright and supporting one another.
4. A case composed of several rows of bookshelves one above the other.
5. plural That part of a library where most of the books are shelved.
6. A vertical main smoke flue, especially of a furnace or boiler; a chimney; smokestack; also, a collection of such chimneys or flues.
7. Brit. A measure of fuel (coal or wood), equal to 108 cubic feet or 4 cubic yards.
8. Colloq. A great amount; plenty.
—v.t. To gather or place in a pile; pile up in a stack: to stack arms; to stack firewood.
—to stack the cards
1. To arrange cards in the pack in a manner favorable to the dealer.
2. To have an unfair advantage secured beforehand. [<ON stakkr]