Plain English Meaning
Maps pilots use during the cruise portion of a flight. They show the airways, radio aids, airspace, and altitudes needed to get from one place to another.
Full Definition
Aeronautical charts published by the FAA for use during the en route phase of flight, depicting airways, navigation aids, controlled airspace, intersections, minimum altitudes, communication frequencies, and related information needed for navigation between departure and destination. Separate series exist for IFR (Low Altitude and ) and use.