Source : Webster's Revised Unabridged Dictionary (1913)

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

Germinal \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.

Germinal \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}.

Source : WordNet®

Germinal
     n : seventh month of the Revolutionary calendar (March and
         April); the month of buds