/ Dictionary / Index P paido-: Meaning and Definition of Find definitions for: paido- Pronunciation: [key] var. of. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. paid-in surplus paid-up Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language