/ Dictionary / Index Y Youghiogheny: Meaning and Definition of Find definitions for: Yough•io•ghe•ny Pronunciation: (yok"u-gā'nē), [key] a river flowing from NW Maryland through SW Pennsylvania into the Monongahela River. 135 mi. (217 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. you'd you'll Related Content Daily Word Quiz: cosmology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language