/ Dictionary / Index G germinal disk: Meaning and Definition of Find definitions for: ger'minal disk' Pronunciation: [key] — Embryol. Embryol. blastodisk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. germinal germinal vesicle 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