/ Dictionary / Index A agrobacteria: Meaning and Definition of Find definitions for: ag•ro•bac•te•ri•a Pronunciation: (ag"rō-bak-tēr'ē-u), [key] — sing. -te•ri•um short rod-shaped aerobic bacteria of the genus Agrobacterium, that cause plant diseases, as crown gall. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. agro- agrobiology Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language