(1):

(v. t.) To harden, as hat bodies, by felting.

(2):

(n.) Fig.: That which supports or upholds, as a board does a swimmer.

(3):

(n.) A broad piece of sawed timber, differing from a board only in being thicker. See Board.

(4):

(v. t.) To cover or lay with planks; as, to plank a floor or a ship.

(5):

(v. t.) To lay down, as on a plank or table; to stake or pay cash; as, to plank money in a wager.

(6):

(v. t.) To splice together the ends of slivers of wool, for subsequent drawing.

(7):

(n.) One of the separate articles in a declaration of the principles of a party or cause; as, a plank in the national platform.