Also found in: Dictionary, Thesaurus, Wikipedia.
geographical mile[¦jē·ə¦graf·ə·kəl ′mīl]
The length of 1 minute of arc of the Equator, or 6087.08 feet (1855.34 meters), which approximates the length of the nautical mile.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
It is the length of the arc of the earth's equator subtending an angle of 1° at the center of the earth. It is constant in length and equal to 1855.3 m or 6087.2 ft.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved