/ Dictionary / Index B blue stellar object: Meaning and Definition of Find definitions for: blue' stel'lar ob'ject Pronunciation: [key] — Astron. Astron. any of a class of blue celestial objects, at one time thought to be stars, that do not emit appreciable radio waves. Abbr.: BSO Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blue stain blue stem Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language