/ Dictionary / Index S stellar wind: Meaning and Definition of Find definitions for: stel'lar wind' Pronunciation: [key] — Astron. Astron. the radial outflow of ionized gas from a star. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stellarator stellate Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language