1. [n]  seventh month of the Revolutionary calendar (March and April); the month of buds
2. [adj]  containing seeds of later development; "seminal ideas of one discipline can influence the growth of another"

GERMINAL is a 8 letter word that starts with G.

1. \Ger"mi*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.
   
   

2. \Ger`mi*nal"\, n. [F. See {Germ} .]
   The seventh month of the French republican calendar [1792 --
   1806]. It began March 21 and ended April 19. See
   {Vend['E]miaire}.
   
   

3. \Ger"mi*nal\, a. (Biol.)
   Of or pertaining to the germ, or germ cells, as distinguished
   from the somatic cells.