/ Dictionary / Index E Euglena*: Meaning and Definition of Find definitions for: Eu•gle•na Pronunciation: (y-glē'nu), [key] — n. a genus of green freshwater protozoans having a reddish eyespot and a single flagellum, found esp. in stagnant waters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. eugeosyncline euglenophyte 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