/ Dictionary / Index A arabis: Meaning and Definition of Find definitions for: ar•a•bis Pronunciation: (ar'u-bis), [key] — n. any plant of the genus Arabis, including the rock cresses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arabis (Thesaurus) arabinoside Arabist Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language