"Stack" is a versatileword that can be usedasboth a noun and a verb. Itrefers to a pile of items and the action of arranging them, respectively. It can alsohavespecificmeanings in computing and construction.
Noun
a storage device that handlesdata so that the nextitem to be retrieved is the itemmostrecentlystored (LIFO)
a largetallchimneythrough which combustiongases and smoke can be evacuated
a list in which the nextitem to be removed is the itemmostrecentlystored (LIFO)
(oftenfollowedby `of') a large numberoramountorextent
a batch of letters
a deal of trouble
a lot of money
he made a minton the stock market
see the rest of the winners in our hugepassel of photos
itmusthavecostplenty
a slew of journalists
a wad of money
an orderlypile
Verb
arrange the order of so as to increaseone'swinningchances