Screed (skrēd), n. [Prov. E., a shred, the border of a cap. See Shred.] 1. (Arch.) (a) A strip of plaster of the thickness proposed for the coat, applied to the wall at intervals of four or five feet, as a guide. (b) A wooden straightedge used to lay across the plaster screed, as a limit for the thickness of the coat.

2. A fragment; a portion; a shred. [Scot.]

Screed, n. [See 1st Screed. For sense 2 cf. also Gael. sgread an outcry.] 1. A breach or rent; a breaking forth into a loud, shrill sound; as, martial screeds.

2. An harangue; a long tirade on any subject.

The old carl gae them a screed of doctrine; ye might have heard him a mile down the wind.

Screed (skrēd), n. [Prov. E., a shred, the border of a cap. See Shred.] 1. (Arch.) (a) A strip of plaster of the thickness proposed for the coat, applied to the wall at intervals of four or five feet, as a guide. (b) A wooden straightedge used to lay across the plaster screed, as a limit for the thickness of the coat.

2. A fragment; a portion; a shred. [Scot.]

Screed, n. [See 1st Screed. For sense 2 cf. also Gael. sgread an outcry.] 1. A breach or rent; a breaking forth into a loud, shrill sound; as, martial screeds.

2. An harangue; a long tirade on any subject.

The old carl gae them a screed of doctrine; ye might have heard him a mile down the wind.

• A long discourse or harangue.
  
• A tool, usually a long strip of wood or other material, for producing a smooth, flat surface on, for example, a concrete floor or a plaster wall.
  
• A smooth flat layer of concrete or similar material.
  
• to produce a smooth flat layer of concrete or similar material.
  
• to use a screed (tool).