/ Dictionary / Index A amanita: Meaning and Definition of Find definitions for: am•a•ni•ta Pronunciation: (am"u-nī'tu, -nē'-), [key] — n. any agaricaceous fungus of the genus Amanita, comprised chiefly of poisonous species. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amanita (Thesaurus) amandine Amanite Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language