oakum

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noun oa·kum \ˈō-kəm\

Definition of oakum

  1. :  loosely twisted hemp or jute fiber impregnated with tar or a tar derivative and used in caulking seams and packing joints

Origin and Etymology of oakum

Middle English okum, from Old English ācumba tow, from ā- (separative & perfective prefix) + -cumba (akin to Old English camb comb) — more at abide


First Known Use: 15th century

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