pila1

¹ = heap, wadge, pile, stash, slew.

Ex. The raw material of white paper was undyed linen -- or in very early days hempen -- rags, which the paper-maker bought in bulk, sorted and washed, and then put by in a damp heap for four or five days to rot.

Ex. By meeting authors cold print takes on a human voice; wadges of paper covered with words turn into treasure troves full of interest.

Ex. However, it would be a time consuming task for the student or researcher to sit down with piles of periodicals, frantically scanning contents lists to try to trace articles on his chosen topic.

Ex. It tells the story of a young detective who stumbles across a stash of jewel thieves hiding out in an abandoned house.

Ex. His work includes 47 novels, and slews of essays, plays, reviews, poems, histories, and public speeches.

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* una pila de = a pile of, a stack of, a sackful of, a whole slew of, a raft of, a mass of.