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Webster 1913 Edition

Noun.

[From

to lay into a heap.]

An accumulation; a heap.

[Obs.]

Bp. Hall.

Noun.

An accumulation. [Not used.]

pilement ‎(plural pilements)

(obsolete) An accumulation; a heap.
- Bishop Joseph Hall
  What! had he nought whereby he might be known, / But costly pilements of some curious stone?