/ Dictionary / Index V vasostimulant: Meaning and Definition of Find definitions for: vas•o•stim•u•lant Pronunciation: (vas"ō-stim'yu-lunt, vā"zō-), [key] — adj. stimulating the action of the vasomotor nerves. —n. a vasostimulant agent, as a drug. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vasospasm vasotomy Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language