From Longman Dictionary of Contemporary EnglishRelated topics: Constructionplankplank /plæŋk/ noun [countable]1TBCa long narrow piece of woodenboard, used especially for making structures to walk ona long plank of wooda bridge made of planks2IDEAone of the main features or principles of an argument etc → platformplank of an argument/policy/campaign etcthe main plank of their argumenta central plank of our policya five-plank campaign including raising the minimum wage →walk the plank, → as thick as two short planks1(7)Examples from the Corpusplank• Even so, much activity can be encouraged with improvisedequipment such as planks, boxes, tyres and barrels.• Cracking down on illegalimmigration was one of the state Republicans' major campaignplanks.• Another centralplank in this revisionist argument was that there was no such thing as the popular will.• Thus far, only two relatively minorplanks of the 10-point House-initiated legislative agenda have become law.• Four fingers were thrust, gripping, through a gap between the planks of the door.• Facing him across the bleached wooden plank, Melissa became aware of an extraordinary change in his manner.plank of wood• Or a plank of wood on polystyreneblock?• I took with me, against my parents' will, a treasuredpossession: a plank of wood.• No handyplanks of wood, no convenientlengths of baler twinekindly left behind by a farmer.• The sixth one was called caterpillar it was two long planks of wood with poles coming out of it.• Inside was a field of mud, planks of wood thrown about.• The second task was to stand on some planks of wood which had been set out in a hexagon.• You can often find a colony by looking under large flatstones, planks of wood or rubblelying on the soil.• It looked like a condemnedstorefront, planks of wood everywhere, but through the corrugated tin door was a party.plank of an argument/policy/campaign etc• The main plank of a campaign he hopes will overturn the Conservative's slender 1,400 majority in the seat.Originplank(1200-1300)Old North Frenchplanke, from Latinplanca, from plancus"flat"