[stock.pile] n (1872): a storage pile: as a: a reserve supply of something essential accumulated within a country for use during a shortage b: a gradually accumulated reserve of something "avert ~s of unsold cars --Bert Pierce"
[2]stockpile vt (1921) 1: to place or store in or on a stockpile
2: to accumulate a stockpile of "~ war materials in Europe --A. O. Wolfers" -- stock.pil.er n