/ Dictionary / Index A angioblast: Meaning and Definition of Find definitions for: an•gi•o•blast Pronunciation: (an'jē-u-blast"), [key] — n. Embryol. one of several mesenchymal cells capable of developing into the endothelium of the blood vessels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. angio- angiocardiography Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language