Haystack :: Haystack (n.) A stack or conical pile of hay in the open air.
Smokestack :: Smokestack (n.) A chimney; esp., a pipe serving as a chimney, as the pipe which carries off the smoke of a locomotive, the funnel of a steam vessel, etc..
Stack :: Staccato (a.) Expressed in a brief, pointed manner..
Stack :: Stack (a.) A large 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..
Stack :: Stack (a.) A pile of poles or wood, indefinite in quantity..
Stack :: Stack (a.) A pile of wood containing 108 cubic feet.
Stack :: Stack (a.) A number of flues embodied in one structure, rising above the roof. Hence:.
Stack :: Stack (a.) 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..
Stack :: Stack (a.) A section of memory in a computer used for temporary storage of data, in which the last datum stored is the first retrieved..