Definitions of plank:

• noun:   an endorsed policy in the platform of a political party
• 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

  Example: "Planked vegetable"

• verb:   cover with planks

  Example: "The streets were planked"

• verb:   set (something or oneself) down with or as if with a noise

  Example: "He planked the money on the table"

• name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #5022)