/ Dictionary / Index A anabaena: Meaning and Definition of Find definitions for: an•a•bae•na Pronunciation: (an"u-bē'nu), [key] — n. any of the freshwater algae of the genus Anabaena, commonly occurring in masses and often contaminating drinking water, giving it a fishy odor and taste. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ana anabantid Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language