Sentence:  June is normally pie time, because it's when the strawberries come in. The summer before Dad died they were unusally plentiful at our local farmers' market, and Mom made almost a dozen of her strawberry <WSD>rhubarbs</WSD>—the ones with the tapioca mixed in—because she knew it was his favorite. 
Meaning of the word marked with <WSD> tags:  The leafstalks of common rhubarb or garden rhubarb (usually known as "Rheum × hybridum"), which are long, fleshy, often pale red, and with a tart taste, used as a food ingredient; they are frequently stewed with sugar and made into jam or used in crumbles, pies, etc.