/ Dictionary / Index A Arthrobacter*: Meaning and Definition of Find definitions for: Ar•thro•bac•ter Pronunciation: (är'thrō-bak"tur), [key] — n. Bacteriol. a genus of rod-shaped or spherical bacteria found in the soil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arthro- arthrodesis Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language