planking

To cover something with planking.

“to plank a floor or a ship”

To bake (fish, etc.) on a piece of cedar lumber.

To lay down, as on a plank or table; to stake or pay cash.

“to plank money in a wager”

To harden, as hat bodies, by felting.

To splice together the ends of slivers of wool, for subsequent drawing.

To pose for a photograph while lying rigid, face down, arms at side, in an unusual place.

A series of planks; a group of planks.

The practice of lying face down with arms to the sides, in unusual public spaces, and taking photographs to record the act.