| nautical mile | (n) a former British unit of length equivalent to 6, 080 feet (1, 853.184 meters); 800 feet longer than a statute mile, Syn. Admiralty mile, mi, mile, naut mi, geographical mile |
| nautical mile | (n) a unit of length used in navigation; exactly 1, 852 meters; historically based on the distance spanned by one minute of arc in latitude, Syn. mi, mile, air mile, international nautical mile, knot, naut mi |