Crocks (4)
'crocks' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for pots that I've seen before include "Ceramics; pockets (ball)" , "Stop (anag.)" , "Gets (a ball) into pocket" , "Cooking utensils" , "Containers; oodles" .)
(Other definitions for jars that I've seen before include "Grates" , "Wide-mouthed containers" , "Jam pots" , "Vessels with a wide mouths" .)