noun
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: ↑nautical mile, ↑mile, ↑mi, ↑naut mi, ↑knot, ↑international nautical mile
• Hypernyms: ↑nautical linear unit
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noun : the basic unit of distance in air navigation equal in the United States before 1946 to the statute mile of 5280 feet, from 1946 to 1954 to the British nautical mile of 6080 feet, and since 1959 to the international nautical mile of 6076.11549 feet
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[1915-20]
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air mile noun
1. A nautical mile used to measure distance by air
2. (usu pl) a point gained by a purchaser of air tickets or other products, allowing free air travel to a certain distance as points are accumulated
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Main Entry: ↑air
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a unit for measuring how far a plane travels
Thesaurus: air travel and relating to air travelhyponym
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air mile,
a nautical mile, 6076.11549 feet, used as a measure of distance in the flight of aircraft.
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n. a nautical mile used as a measure of distance flown by aircraft
Useful english dictionary. 2012.