From The Collaborative International Dictionary of English v.0.48 :
Glide path \Glide path\, n. (Aeronautics) the proper path for an airplane approaching a landing strip; also called glide slope. [PJC]From The Collaborative International Dictionary of English v.0.48 :
Glide slope \Glide slope\, n. (Aeronautics) 1. the proper path for an airplane approaching a landing strip; also called glide path. [PJC] 2. The path indicated by a radio beacon as the proper path for an airplane to use in approaching a landing strip. [PJC]From WordNet (r) 3.0 (2006) :
glide path n 1: the final path followed by an aircraft as it is landing [syn: approach path, approach, glide path, glide slope]