Minimum enroute altitude definition

Minimum enroute altitude means the altitude in effect between radio fixes which assures acceptable navigational signal coverage and meets obstruction clearance requirements between those fixes.
Minimum enroute altitude. ­ means the lowest altitude ASL that is specified in the Designated Airspace Handbook for a designated area or between fixes on airways or air routes, that assures acceptable navigational signal coverage and that meets the obstruction clearance criteria; (altitude minimale en route)