Source : Webster's Revised Unabridged Dictionary (1913)

Gemmation \Gem*ma"tion\, n. [Cf. F. gemmation.]
   1. (Biol.) The formation of a new individual, either animal
      or vegetable, by a process of budding; an asexual method
      of reproduction; gemmulation; gemmiparity. See {Budding}.

   2. (Bot.) The arrangement of buds on the stalk; also, of
      leaves in the bud.

Source : WordNet®

gemmation
     n : asexual reproduction in which a local growth on the surface
         or in the body of the parent becomes a separate
         individual [syn: {pullulation}]