The Collaborative International Dictionary of English v.0.48:

Clatch \Clatch\, n. [Cf. Scot. clatch a slap, the noise caused
   by the collision of soft bodies; prob. of imitative origin.]
   (Scot. & Dial. Eng.)
   1. A soft or sloppy lump or mass; as, to throw a clatch of
      mud.
      [Webster 1913 Suppl.]

   2. Anything put together or made in a careless or slipshod
      way; hence, a sluttish or slipshod woman.
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Clatch \Clatch\, v. t. & i.
   To daub or smear, as with lime; to make or finish in a
   slipshod way. [Scot.]
   [Webster 1913 Suppl.]