SG Heritage Dictionary

Plank [Noun] Webster's Dictionary 1828

A broad piece of sawed timber, differing from a board only in being thicker. In America, broad pieces of sawed timber which are not more than an inch or an inch and a quarter thick, are called boards; like pieces from an inch and a half to three or four inches thick, are called planks. Sometimes pieces more than four inches thick are called planks.

Plank [Verb transitive] Webster's Dictionary 1828

To cover or lay with planks; as, to plank a floor or a ship.

Plank [Noun] Webster's Dictionary 1913

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

2. Fig.: That which supports or upholds, as a board does a swimmer.

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

Plank [Verb transitive] Webster's Dictionary 1913

1. To cover or lay with planks; as, to plank a floor or a ship.

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

3. To harden, as hat bodies, by felting.

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

Plank-sheer [Noun] Webster's Dictionary 1913

The course of plank laid horizontally over the timberheads of a vessel's frame.

Planked [Imperfect tense and past participle] Webster's Dictionary 1913

of Plank

Planking [Noun] Webster's Dictionary 1913

1. The act of laying planks; also, planks, collectively; a series of planks in place, as the wooden covering of the frame of a vessel.

2. The act of splicing slivers. See Plank, v. t., 4.

Planking [Present participle and verbal noun] Webster's Dictionary 1913

of Plank