·adj Pertaining or belonging to a germ; as, the germinal vesicle.
II. Germinal ·add. ·adj Of or pertaining to the germ, or germ cells, as distinguished from the somatic cells.
III. Germinal ·noun The seventh month of the French republican calendar [1792 - 1806]. It began March 21 and ended April 19. ·see VendEmiaire.