/ Dictionary / Index L Lehigh: Meaning and Definition of Find definitions for: Le•high Pronunciation: (lē'hī), [key] — n. a river in E Pennsylvania, flowing SW and SE into the Delaware River. 103 mi. (165 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lehayim* Lehman Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language