International nautical mile/ˌɪntərnˈæʃənəlnˈɔtəkəlmaɪl/Listen
International nautical mile
noun
1.
A unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude. Synonyms:air mile, knot, mi, mile, naut mi, nautical mile.