a long, flat piece of timber, thicker than a board.

lumber in such pieces; planking.

something to stand on or to cling to for support.

any one of the stated principles or objectives comprising the political platform of a party campaigning for election

They fought for a plank supporting a nuclear freeze.

to lay, cover, or furnish with planks.

to bake or broil and serve (steak, fish, chicken, etc.) on a wooden board.

plunk ( def. 2 ) . ?

walk the plank

to be forced, as by pirates, to walk to one's death by stepping off a plank extending from the ship's side over the water.

to relinquish something, as a position, office, etc., under compulsion

We suspect that the new vice-president walked the plank because of a personality clash.

noun

board , deal , duckboard , lumber , platform , slab , support , timber