Sentence:  There was some laughter, and Roddle was left free to expand his ideas on the periodic visits of cowboys to the town. “Mason Rickets, he had ten big punkins a-sittin' in front of his <WSD>store</WSD>, an' them fellers from the Upside-down-F ranch shot 'em up ....” 
Meaning of the word marked with <WSD> tags:  A place where items may be purchased; a shop.