/ Dictionary / Index P post-polio syndrome: Meaning and Definition of Find definitions for: post-po'li•o syn"drome Pronunciation: (pōst-pō'lē-ō"), [key] muscle weakness occurring several decades after recovery from a polio infection, caused by fatiguing of collateral nerve axons developed during physical rehabilitation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. postpartum postpone Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language