Breadcrumb Home > Dictionary > Index B blastocoel: Meaning and Definition of Find definitions for: blas•to•coel Pronunciation: (blas'tu-sēl"), [key] — n. Embryol. the cavity of a blastula, arising in the course of cleavage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: blastocoel (Thesaurus) blasto- blastocyst TrendingHere are the facts and trivia that people are buzzing about. Animal Group Terminology Largest Countries in the World (by Area) Current Events This Week: January 2023 State Abbreviations Dinosaur Fossils (By U.S. State!) The Chinese Zodiac ✖ Related Content Daily Word Quiz: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language