nautical mile

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)
    is a type of: nautical linear unit - a linear unit of distance used in navigation
    same as: admiralty mile, geographical mile, mi, mile, naut mi
  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)
    is a type of: nautical linear unit - a linear unit of distance used in navigation
    same as: air mile, international nautical mile, mi, mile, naut mi

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