/ Dictionary / Index S shell star: Meaning and Definition of Find definitions for: shell' star" Pronunciation: [key] — Astron. Astron. a type of star showing bright emission lines superimposed on its normal absorption spectrum, presumably caused by a gaseous shell around the star. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. shell shock shell steak Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language