/ Dictionary / Index P Pelion: Meaning and Definition of Find definitions for: Pe•li•on Pronunciation: (pē'lē-un Gk. pē'lē-ôn), [key] a mountain near the E coast of Greece, in Thessaly. 5252 ft. (1600 m). to make matters worse; aggravate or compound a situation. to engage in vain or futile efforts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pelike pelisse Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language