1 stack /ˈstæk/ noun
plural stacks
1 stack
plural stacks
Learner's definition of STACK
[count] : a usually neat pile : a group of things that are put one on top of the other
often + of see also haystack
[count] : a large amount of something usually + of
[count] : a tall chimney on a factory, ship, etc., for carrying smoke away : smokestack
the stacks : the rows of shelves where books are stored in a library

blow your stack

see 1blow
2 stack /ˈstæk/ verb
stacks; stacked; stacking
2 stack
stacks; stacked; stacking
Learner's definition of STACK
: to arrange (things) in a stack : to put (things) in a usually neat pile
[+ object]
often + up
[no object]
[+ object]
: to cheat at a card game by arranging (a deck of cards) in a special way
used to describe a situation in which one person, team, etc., is given an advantage over others often in a way that is unfair

stack up

[phrasal verb]
: to increase in number or amount to a total that is difficult to deal with
: to be good enough or equally good
stack up against (something or someone) or stack (something or someone) up against (something or someone) : to compare (something or someone) with others of the same kind