- stack */
- I UK [stæk] / US
noun
Word forms "stack":
singular stack plural stacks1) [countable] a pile of things placed one on top of anotherstack of:a stack of unopened mail
There were stacks of books on the floor.
a) a pile of things standing or lying togethera stack of firewood
b) a pile of hay (= dry grass) or straw (= dry stems from a crop)2) the stacks[plural] the place in a library where books are stored and where members of the public usually cannot go3) [countable] a chimney (= a tube for letting smoke or gases escape into the air)4) [countable] computing a system for storing information on a computer•
II UK [stæk] / US verb [transitive]
Word forms "stack":
present tense I/you/we/they stack he/she/it stacks present participle stacking past tense stacked past participle stacked1)a) stack or stack up to arrange things so that they are placed one on top of anotherShe began stacking plates on the trolley.
b) to fill a machine or space by putting things in it on top of each otherHe got a job stacking shelves at the supermarket.
They went down to a small yard stacked high with rubbish.
2) stack or stack up to put things so that they are standing one beside anotherShe was examining the paintings stacked against the wall.
3) to make planes fly above or below other planes while waiting to land•Phrasal verbs:the cards/odds are stacked against you
— used for saying that you are likely to fail, often because people are being unfair- stack up
English dictionary. 2014.