/ Dictionary / Index E end organ: Meaning and Definition of Find definitions for: end' or"gan Pronunciation: [key] — Cell Biol. Cell Biol. one of several specialized structures at the peripheral end of sensory or motor nerve fibers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. endopterygote endorheic 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