add. ·noun a soft or sloppy lump or mass; as, to throw a clatch of mud.
2. clatch ·add. ·vt & ·vi to daub or smear, as with lime; to make or finish in a slipshod way.
3. clatch ·add. ·noun anything put together or made in a careless or slipshod way; hence, a sluttish or slipshod woman.