The definition of a croker sack is a bag made of burlap or similar material.
An example of a croker sack is a bag that holds many pounds of potatoes.
South a bag made of burlap or similar material
also cro′cus sack
Origin of croker sackaltered from crocus sack from crocus, a coarse fabric ( from uncertain or unknown; perhaps ) + sack
nounLower Southern US
Origin of croker sackAlteration of crocus sack