What is the meaning of planking?

noun

• Planks collectively; a quantity of planks.
• Nautical) a covering or flooring constructed of planks (as on a ship. ()
• The work of covering an area with planks.

verb

• Cover with planks.
  • usage: "The streets were planked"
  • synonyms: plank, plank over
• Set (something or oneself) down with or as if with a noise.
  • usage: "He planked the money on the table"; "He planked himself into the sofa"
  • synonyms: plank, flump, plonk, plop, plunk, plump down, plunk down, plump
• Cook and serve on a plank.
  • usage: "Planked vegetable"; "Planked shad"
  • synonyms: plank