v. [UN-2 3, 5.] trans. To demolish (a pile or heap); to remove from a pile. Also absol.
1611. Cotgr., Desamasser, to vnheape, vnpile.
1792. Comm. Jrnl., XLVII. 363/1. The Expence of piling, unpiling, &c. &c. as is practised in His Majesty’s Yards.
1847. Infantry Man. (1854), 27. Unpile Arms. At the word Unpile, the whole advance their right feet.
1871. Miss Yonge, Cameos, II. 281. The English began to unpile the fearful heaps of dead.
