,| 1. | a more or less orderly pile or heap: a precariously balanced stack of books; a neat stack of papers. |
| 2. | a large, usually conical, circular, or rectangular pile of hay, straw, or the like. |
| 3. | Often, stacks. a set of shelves for books or other materials ranged compactly one above the other, as in a library. |
| 4. | stacks, the area or part of a library in which the books and other holdings are stored or kept. |
| 5. | a number of chimneys or flues grouped together. |
| 6. | smokestack. |
| 7. | a vertical duct for conveying warm air from a leader to a register on an upper story of a building. |
| 8. | a vertical waste pipe or vent pipe serving a number of floors. |
| 9. | Informal. a great quantity or number. |
| 10. | Radio. an antenna consisting of a number of components connected in a substantially vertical series. |
| 11. | Computers. a linear list arranged so that the last item stored is the first item retrieved. |
| 12. | Military. a conical, free-standing group of three rifles placed on their butts and hooked together with stacking swivels. |
| 13. | Also called air stack, stackup. Aviation. a group of airplanes circling over an airport awaiting their turns to land. |
| 14. | an English measure for coal and wood, equal to 108 cubic feet (3 cu. m). |
| 15. | Geology. a column of rock isolated from a shore by the action of waves. |
| 16. | Games.
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| 17. | to pile, arrange, or place in a stack: to stack hay; to stack rifles. |
| 18. | to cover or load with something in stacks or piles. |
| 19. | to arrange or select unfairly in order to force a desired result, esp. to load (a jury, committee, etc.) with members having a biased viewpoint: The lawyer charged that the jury had been stacked against his client. |
| 20. | to keep (a number of incoming airplanes) flying nearly circular patterns at various altitudes over an airport where crowded runways, a low ceiling, or other temporary conditions prevent immediate landings. |
| 21. | to be arranged in or form a stack: These chairs stack easily. |
| 22. | stack up,
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| 23. | blow one's stack, Slang. to lose one's temper or become uncontrollably angry, esp. to display one's fury, as by shouting: When he came in and saw the mess he blew his stack. |
| 24. | stack the deck,
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stack the deck
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| stack (stāk) Pronunciation Key
An isolated, columnar mass or island of rock along a coastal cliff. Stacks are formed by the erosion of cliffs through wave action and are larger than chimneys. |