/ Dictionary / Index O oxalis: Meaning and Definition of Find definitions for: ox•a•lis Pronunciation: (ok'su-lis, ok-sal'is), [key] — n. any plant of the genus Oxalis, comprising the wood sorrels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oxalis (Thesaurus) oxalic acid oxaloacetic acid Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language