/ Dictionary / Index B blueblossom: Meaning and Definition of Find definitions for: blue•blos•som Pronunciation: (bl'blos"um), [key] — n. a shrub, Ceanothus thyrsiflorus, of the buckthorn family, abundant in the western U.S., having finely toothed oblong leaves and lilaclike clusters of blue flowers. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blue blood bluebonnet 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