/ Dictionary / Index G germ cell: Meaning and Definition of Find definitions for: germ' cell" Pronunciation: [key] — Biol. Biol. the sexual reproductive cell at any stage from the primordial cell to the mature gamete. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Germany germen Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language