/ Dictionary / Index B biota: Meaning and Definition of Find definitions for: bi•o•ta Pronunciation: (bī-ō'tu), [key] — n. Ecol. the animals, plants, fungi, etc., of a region or period. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: biota (Thesaurus) biosynthetic biotech Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language