Noun

• S: (n) stack (an orderly pile)
• S: (n) batch, deal, flock, good deal, great deal, hatful, heap, lot, mass, mess, mickle, mint, mountain, muckle, passel, peck, pile, plenty, pot, quite a little, raft, sight, slew, spate, stack, tidy sum, wad ((often followed by `of') a large number or amount or extent) "a batch of letters"; "a deal of trouble"; "a lot of money"; "he made a mint on the stock market"; "see the rest of the winners in our huge passel of photos"; "it must have cost plenty"; "a slew of journalists"; "a wad of money"
• S: (n) push-down list, push-down stack, stack (a list in which the next item to be removed is the item most recently stored (LIFO))
• S: (n) smokestack, stack (a large tall chimney through which combustion gases and smoke can be evacuated)
• S: (n) push-down storage, push-down store, stack (a storage device that handles data so that the next item to be retrieved is the item most recently stored (LIFO))

Verb

• S: (v) stack (load or cover with stacks) "stack a truck with boxes"
• S: (v) stack, pile, heap (arrange in stacks) "heap firewood around the fireplace"; "stack your books up on the shelves"
• S: (v) stack (arrange the order of so as to increase one's winning chances) "stack the deck of cards"