1a heap of things laid or lying one on top of another:he placed the books in a neat pile tottering piles of dirty dishes informal a large amount of something:he’s making piles of money 2a large imposing building or group of buildings:a Victorian Gothic pile 3a series of plates of dissimilar metals laid one on another alternately to produce an electric current.
(also atomic pile
) dated a nuclear reactor.
1 [with object and adverbial] place (things) one on top of the other:she piled all the groceries on the counter
(be piled with
) be stacked or loaded with:his in tray was piled high with papers
(pile up/pile something up
) increase or cause to increase in quantity: [no object]:the work is piling up
(pile something on
) informal intensify or exaggerate something for effect:you can pile on the guilt but my heart has turned to stone
2 [no object]
(pile into/out of
) (of a group of people) get into or out of (a vehicle) in a disorganized manner:ten of us piled into the minibus
) (of a vehicle) crash into:60 cars piled into each other on the M62