plankとは何ですか?A piece of lumber cut thicker than a board.Such pieces of lumber considered as a group; planking.A foundation; a support.One of the articles of a political platform.To furnish or cover with planks: plank a muddy pathway. To bake or broil and serve (fish or meat) on a plank: "Boards specially made for planking food have grooves . . . to hold juices” ( Michael Stern). To put or set down emphatically or with force.