/ Dictionary / Index V vasovasostomy: Meaning and Definition of Find definitions for: vas•o•va•sos•to•my Pronunciation: (vas"ō-va-sos'tu-mē, vā"zō-), [key] — pl. -mies. the reversal of a vasectomy, performed by surgical reconnection of the severed ends of the vas deferens. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vasovasostomy (Thesaurus) vasotonic Vassa Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language