Open English Wordnet
Nouns
(n)nautical mile, naut mi, mile, mi, geographical mile, Admiralty milea former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile
(n)nautical mile, mile, mi, naut mi, international nautical mile, air milea unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
(n)mile, statute mile, stat mi, land mile, international mile, mia unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters