Sentence:  A soft odor of <WSD>chicken scratch</WSD>, mash, and manure always permeated the air when  you approached. Attached to the chicken coop was a smokehouse that contained  several smoked ham shoulders hanging from hooks. 
Meaning of the word marked with <WSD> tags:  Chicken feed consisting of random mixed grains such as corn, wheat, barley, sorghum and milling by-products.