SPRUE

I. noun Etymology: origin unknown Date: circa 1875 the waste piece on a casting (as of metal or plastic) left by the hole through which the mold was filled, the hole in which a ~ forms, II. noun Etymology: Dutch spruw; akin to Middle Low German sprūwe, a kind of tumor Date: 1888 a disease of tropical regions that is of unknown cause and is characterized by fatty diarrhea and malabsorption of nutrients, celiac disease