Sentence:  The frizzle-headed man-eaters were loath to leave their fleshpots so long as the <WSD>harvest</WSD> of human carcases was plentiful. Sometimes, when the <WSD>harvest</WSD> was too plentiful, they imposed on the missionaries by letting the word slip out that on such a day there would be a killing and a barbecue. 
Meaning of the word marked with <WSD> tags:  The yield of harvesting, i.e., the gathered crops or fruits.