tread behind (tredbehind")

A doubling; an endeavor to escape from a pursuer by falling behind. [Rare.] His tricks and traps and tread - behinds . Naylor , Reynard the Fox, p. 20. ( Davies .) tread-board (tred'bōrd), n. 1. The horizontal part of a step, on which the foot is placed.-2. One of the boards of a treadmill upon which its operator steps.