screed

/skrid/
noun
  1. A long, boring speech or piece of writing, especially one expressing strong opinions.
    • The politician delivered a long screed against the new law.
    • I couldn't finish reading his screed about modern art.
    • She wrote a screed complaining about the company's policies.
  2. A flat strip of wood or metal used to level a surface, such as concrete or plaster.
    • A metal screed helps create an even floor surface.
    • The worker used a screed to smooth the wet concrete.
    • He ran the screed across the plaster to remove the bumps.