Artificial intelligent assistant

two-pile

two-pile, a.
  (ˈtuːpaɪl)
  Applied to velvet in which the loops of the pile-warp are formed by two threads, producing a pile of double thickness: see pile n.5 2, and cf. three-pile. Also two-piled a. (in quot. fig.: cf. three-piled 2).

1611 Cotgr. s.v. Poil, Velours à deux poils, two-pile Veluet. 1678 Dryden Limberham i. i, Then she's a two-pil'd Punk, a Punk of two Descents.

Oxford English Dictionary

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