1. 
   Crocking
   Any material used in the bottom of containers to provide drainage (i.e. shells, rocks, broken pottery, Styrofoam.)
   Found op http://www.emilycompost.com/garden_glossary.htm
   
   
2. 
   Crocking
   Transfer or smudging of dry ink on the finished product.
   Found op http://www.encyclo.co.uk/local/20829
   
   
3. 
   Crocking
   • (p. pr. & vb. n.) of Crock
   Found op http://thinkexist.com/dictionary/meaning/crocking/
   
   

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