Толковый словарь английского языка - ply

I. verb (plied; ~ing) Etymology: Middle English plien, short for applien to ap~ Date: 14th century transitive verb 1. to use or wield diligently , to practice or perform diligently , to keep furnishing or sup~ing something to , 3. to make a practice of rowing or sailing over or on , to go or travel regularly over, on, or through , intransitive verb to ap~ oneself steadily, to go or travel regularly, II. noun (plural plies) Etymology: 3~ Date: 1532 1. one of several layers (as of cloth) usually sewn or laminated together, one of the strands in a yarn, one of the veneer sheets forming ~wood, a layer of a paper or cardboard, inclination, bias, III. transitive verb (plied; ~ing) Etymology: Middle English plien to fold, from Anglo-French plier, pleier, from Latin plicare; akin to Old High German flehtan to braid, Latin plectere, Greek plekein Date: circa 1909 to twist together