Another word for plank

This subsequently formed the first plank of the Labour platform.

If I have unjustly wrested a plank from a drowning man, I must restore it to him though I drown myself.

There lay his old clothes curled up by use, as if they were himself, upon his raised plank bed.

As he hurried down the narrow plank catwalk atop the penstock, he caught sight of a woman stumbling toward him.

During the first month he sleeps on a plank bed, a wooden frame raised from the floor, with bedding but without mattress.