/ Dictionary / Index P pycn-: Meaning and Definition of Find definitions for: pycn- Pronunciation: [key] var. ofbefore a vowel: pycnium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pyatigorsk pycnidium Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language