/ Dictionary / Index V volvox: Meaning and Definition of Find definitions for: vol•vox Pronunciation: (vol'voks), [key] — n. any colonial, freshwater green algae of the genus Volvox, forming a hollow, greenish sphere of flagellated cells. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: volvox (Thesaurus) volvent volvulus Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language