glide slope

English Thesaurus

1. the final path followed by an aircraft as it is landing (noun.location)

hypernym	:	air lane, airway, flight path, skyway,
definition	:	a designated route followed by airplanes in flying from one airport to another (noun.location)

part meronym	:	approach pattern, pattern, traffic pattern,
definition	:	the path that is prescribed for an airplane that is preparing to land at an airport (noun.location)