/ Dictionary / Index G glide slope: Meaning and Definition of Find definitions for: glide' slope" Pronunciation: [key] — Aeron. Aeron. the angle that the glidepath of an aircraft or spacecraft makes with the horizontal. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glider gliding bacteria Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language