ply
1. ply \'pli-\ vt or plied; or ply.ing [ME plien to fold, fr. MF plier,
fr. L plicare; akin to OHG (Xflehtan to braid, L plectere, Gk plekein : to
twist together {~ two single yarns}
2. ply n 1a: one of the strands in a yarn 1b: one of several layers of
cloth usu. sewn or laminated together 1c: one of the veneer sheets forming
plywood 1d: a layer of a paper or paperboard 2: INCLINATION, BIAS
3. ply vb or plied; or ply.ing [ME plien, short for applien to apply] 1a:
to use or wield diligently 1b: to practice or perform diligently 2: to
keep furnishing or supplying to 3: to make a practice of rowing or sailing
over or on 1: to apply oneself steadily 2: to go or travel regularly