If you pile things somewhere, you put them there so that they form a pile. He was piling clothes into the suitcase A few newspapers and magazines were piled on a table
(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"; "it must have cost plenty"
a column of wood or steel or concrete that is driven into the ground to provide support for a structure a collection of objects laid on top of each other a large sum of money (especially as pay or profit); "she made a bundle selling real estate"; "they sank megabucks into their new house"
battery consisting of voltaic cells arranged in series; the earliest electric battery devised by Volta