Source : Webster's Revised Unabridged Dictionary (1913)

Agamous \Ag"a*mous\, a. [Gr. 'a`gamos unmarried; 'a priv. +
   ga`mos marriage.] (Biol.)
   Having no visible sexual organs; asexual. In Bot.,
   cryptogamous.

Source : WordNet®

agamous
     adj : (of reproduction) not involving the fusion of male and
           female gametes in reproduction [syn: {agamic}, {agamogenetic},
            {apomictic}, {parthenogenetic}]