DICT.TW Dictionary Taiwan

 oa·kum /ˈokəm/
 填絮

 Oak·um n.
 1. The material obtained by untwisting and picking into loose fiber old hemp ropes; -- used for calking the seams of ships, stopping leaks, etc.
 2. The coarse portion separated from flax or hemp in nackling.
 White oakum, that made from untarred rope.
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 oakum
      n : loose hemp or jute fiber obtained by unravelling old ropes;
          when impregnated with tar it was used to caulk seams and
          pack joints in wooden ships