#bitter_end.end__bitterend  (nautical) the inboard end of a line or cable especially the end that is wound around a bitt
  supertype:  #end  either extremity of something that has length: "the end of the pier"; "she knotted the end of the thread"; "they rode to the end of the line"
  part of:  #line.artifact  something (as a cord or rope) that is long and thin and flexible; "a washing line"

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