ply
/plaɪ/noun
Definitions
A layer of material.
Example: two-ply toilet paper
A strand that, twisted together with other strands, makes up rope or yarn.
Short for plywood.
In two-player sequential games, a "half-turn" or a move made by one of the players.
Example: He proposed to build Deep Purple, a super-computer capable of 24-ply look-ahead for chess.