Learn how to say Ply correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word ply:
noun (plural plies)
1a thickness or layer of a folded or laminated material:
tiles that have a black PVC ply in the lamination
[usually in combination] a strand of yarn or rope:
the number of multiple layers or strands of which something is made:
the yarn can be any ply from two to eight
2short for plywood.
3 [mass noun] (in game theory) the number of levels at which branching occurs in a tree of possible outcomes, typically corresponding to the number of moves ahead (in chess strictly half-moves ahead) considered by a computer program.
[count noun] a half-move (i.e. one player’s move) in computer chess.
late Middle English (in the sense ‘fold’): from French pli ‘fold’, from the verb plier, from Latin plicare ‘to fold’