I. ˈplaŋk noun
Etymology: Middle English, from Anglo-French plaunke, planche, from Latin planca
Date: 13th century
1.
a. : a heavy thick board ; especially : one 2 to 4 inches (5 to 10 centimeters) thick and at least 8 inches (20 centimeters) wide
b. : an object made of a plank or planking
c. : planking
2.
a. : an article in the platform of a political party
b. : a principal item of a policy or program
II. transitive verb
Date: 15th century
1. : to cover, build, or floor with planks
2. : to set down forcefully — usually used with down
3. : to cook and serve on a board
plank ed salmon
plank ed steak