sprue1 Syllabification: (sprue)Pronunciation: /spro͞o/Definition of sprue noun a channel through which metal or plastic is poured into a mold. a piece of metal or plastic that has solidified in a sprue, especially one joining a number of small molded plastic items. Origin: early 19th century: of unknown originsprue in other Oxford dictionaries Definition of sprue in the British & World English dictionary
