crock in WordNet English dictionary

1. a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
   carbon black  lampblack  soot  smut  crock 
   
2. an earthen jar (made of baked clay)
   crock  earthenware jar 
   
3. nonsense; foolish talk
   "that's a crock"
   crock 
   

1. soil with or as with crock
   crock 
   
2. release color when rubbed, of badly dyed fabric
   crock