/ Dictionary / Index B blue giant: Meaning and Definition of Find definitions for: blue' gi'ant Pronunciation: [key] — Astron. Astron. any of the large, bright stars having surface temperatures of about 20,000 K and diameters that are often ten times that of the sun. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blue gas bluegill 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