n. (pl. -ies) 1 a thickness or layer of certain materials, esp. wood or cloth (three-ply). 2 a strand of yarn or rope etc. [ME f. F pli f. plier, pleier f. L plicare fold]
PLY
Meaning of PLY in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012