Breadcrumb Home > Dictionary Cite Meaning of segmentation cavity Find definitions for: segmenta'tion cav"ity Pronunciation: [key] — Embryol. Embryol. blastocoele. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. segmentation segmentize Related Content Daily Word Quiz: persiflage Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language