/ Dictionary / Index B blastema: Meaning and Definition of Find definitions for: blas•te•ma Pronunciation: (bla-stē'mu), [key] — pl. -mas, -ma•ta an aggregation of cells in an early embryo, capable of differentiation into specialized tissue and organs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: blastema (Thesaurus) blasted blast furnace Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language