naut mi

Noun
  1. A former British unit of length equivalent to 6,080 feet (1,853.184 meters);
    800 feet longer than a statute mile (synset 113682724)
  2. A unit of length used in navigation;
    Exactly 1,852 meters;
    Historically based on the distance spanned by one minute of arc in latitude (synset 113682449)

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