0 a long, narrow, flat piece of wood or similar material, of the type used for making floors:
1 an important principle on which the activities of a group, especially a political group, are based:
2 an exercise in which you hold your body straight and parallel to the floor while resting on your toes and hands or elbows:
Planks are very good for strengthening your core.
3 a long, flat piece of wood or other material, esp. one wide enough and strong enough to walk on:
4 an important principle on which the activities of a political or other group are based:
He prepared the peace plank in the Democrats’ 1864 presidential platform.
The differences are obvious between a new wood floor and the worn planks that speak of the distant past.
The third and last frame was finally pulled up and the sides connected with framing elements and horizontal planks, which formed the outside walls.
There are three types of chains related to planks.
Several fragments of a stoneware vessel were also found beneath and beside the planks.
More obviously, the two large planks in the bottom left corner extend beyond the frame suggesting a world that continues beyond its margins.
The symbolic value of the ancient planks has been transferred to the modern wooden floor.
Let us show that all planks are nice and smart.
A few better-off households sold planks to merchants.