
Buildinga vertical waste pipe or vent pipe serving a number of floors.Buildinga vertical duct for conveying warm air from a leader to a register on an upper story of a building.Buildinga number of chimneys or flues grouped together.Library Science stacks, the area or part of a library in which the books and other holdings are stored or kept.
Often, stacks. a set of shelves for books or other materials ranged compactly one above the other, as in a library.Agriculturea large, usually conical, circular, or rectangular pile of hay, straw, or the like.
a more or less orderly pile or heap: a precariously balanced stack of books a neat stack of papers. unfairly, to achieve a desired result: The deck was stacked against him before he even walked in for the interview. to manage or arrange events, etc., esp. Gamesto arrange cards or a pack of cards so as to cheat. Measure up: How do these new minivans stack up against the older ones? to arrange or select unfairly in order to force a desired result: to stack a jury against a defendant. to cover with something in stacks: The office space was stacked high with old dusty files. to form a stack: Those logs won't stack they keep tumbling down. He stacked up the books against the wall. to pile, arrange, or place in a stack: She stacked the suitcases on the roof rack. Computinga list, as in a computer, arranged so that the last item stored is the first item retrieved. Informal Termsa great quantity or number: a stack of mail. stacks, a set of shelves for books in a library. Agriculturea large pile of hay, straw, or the like. an organized, neat pile or heap: Take the top card from the stack and turn it over.