n.
Function: noun
Etymology: Middle English, from Anglo-French peil, pil hair, coat with thick nap, from Latin pilus hair
Date: 15th century
1 : a coat or surface of usually short close fine furry hairs
2 : a velvety surface produced by an extra set of filling yarns that form raised loops which are cut and sheared
– pile · less \ ' p ī (- ə )l-l ə s \ adjective