Webster’s Revised Unabridged Dictionary · 1913
Germinal
Ger′mi·nal (·nal), a. [See Germ.] Pertaining or belonging to a germ; as, the germinal vesicle.
Germinal layers (Biol.), the two layers of cells, the ectoblast and entoblast, which form respectively the outer covering and inner wall of the gastrula. A third layer of cells, the mesoblast, which is formed later and lies between these two, is sometimes included. — Germinal membrane. (Biol.) Same as Blastoderm. — Germinal spot (Biol.), the nucleolus of the ovum. — Germinal vesicle, (Biol.) , the nucleus of the ovum of animals.
Ger′mi·nal′ (zhâr′mē′nȧl′), n. [F. See Germ .] The seventh month of the French republican calendar [1792 — 1806]. It began March 21 and ended April 19. See VendÉmiaire.