Sentence:  The farm of Sheridan Lawrence, exhibiting its wide-stretching wheat-fields, some heads of which counted seventy-one kernels, with its patches of one-pound potatoes, twelve-foot sunflowers, and its <WSD>quiverful</WSD> of happy, tow-headed children, gives as sweet a picture of Canadian thrift and happiness as one would wish to see. 
Meaning of the word marked with <WSD> tags:  A large amount.