Plank (wood) definition

(1) An endorsed policy in the platform of a political party

(2) A stout length of sawn timber; made in a wide variety of sizes and used for many purposes

(3) Cook and serve on a plank

"Planked vegetable"

"Planked shad"

(4) Cover with planks

"The streets were planked"

(5) Set (something or oneself) down with or as if with a noise

"He planked the money on the table"

"He planked himself into the sofa"