/ Dictionary / Index P pyelo-: Meaning and Definition of Find definitions for: pyelo- Pronunciation: [key] a combining form meaning “pelvis,” used in the formation of compound words: pyelogram. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pyelitis pyelogram Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language