plank

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A piece of lumber cut thicker than a board.
• noun Such pieces of lumber considered as a group; planking.
• noun A foundation; a support.
• noun One of the articles of a political platform.
• transitive verb To furnish or cover with planks.
• transitive verb To bake or broil and serve (fish or meat) on a plank.
• transitive verb To put or set down emphatically or with force.

from The Century Dictionary.

• To cover or lay with planks: as, to plank a floor.
• To lay or place as on a plank or table: as, he planked down the money.
• In hat-manuf., to harden by felting. See planking
• To unite, as slivers of wool, to form roving.
• To split, as fish, and cook upon a board. See the quotation.
• noun A piece of timber differing from a board in having greater thickness; also, loosely, a board. See board.
• noun A slab (of stone).
• noun In a printing-press, the frame on which the carriage slides.
• noun In ribbon-weaving, the batten of the Dutch engine-loom or swivel-loom.
• noun Figuratively, one of the articles or paragraphs formulating distinct principles which form the program or platform of a political or other party (the word platform being taken in a double sense).

from the GNU version of the Collaborative International Dictionary of English.

• noun A broad piece of sawed timber, differing from a board only in being thicker. See board.
• noun Fig.: That which supports or upholds, as a board does a swimmer.
• noun Cant One of the separate articles in a declaration of the principles of a party or cause.
• noun [U.S.] a road surface formed of planks.
• noun to walk along a plank laid across the bulwark of a ship, until one overbalances it and falls into the sea; -- a method of disposing of captives practiced by pirates.
• transitive verb To cover or lay with planks.
• transitive verb Colloq. U.S. To lay down, as on a plank or table; to stake or pay cash.
• transitive verb To harden, as hat bodies, by felting.
• transitive verb (Wooden Manuf.) To splice together the ends of slivers of wool, for subsequent drawing.
• transitive verb shad split open, fastened to a plank, and roasted before a wood fire.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A long, broad and thick piece of timber, as opposed to a board which is less thick.
• noun A political issue that is of concern to a faction or a party of the people and the political position that is taken on that issue.
• noun Physical exercise in which one holds a pushup position for a measured length of time.
• noun UK, slang A stupid person.
• verb transitive To cover something with planking.
• verb transitive To bake (fish) on a piece of cedar lumber.
• verb transitive, colloquial To lay down, as on a plank or table; to stake or pay cash.
• verb transitive To harden, as hat bodies, by felting.
• verb To splice together the ends of slivers of wool, for subsequent drawing.
• verb intransitive To pose for a photograph while lying rigid, face down, arms at side, in an unusual place.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a stout length of sawn timber; made in a wide variety of sizes and used for many purposes
• verb cook and serve on a plank
• verb cover with planks
• noun an endorsed policy in the platform of a political party
• verb set (something or oneself) down with or as if with a noise