‖n. [ Gr. &unr_; marriage + E. genesis. ] (Biol.) The production of offspring by the union of parents of different sexes; sexual reproduction; -- the opposite of agamogenesis. [ 1913 Webster ]

‖n. [ Gr. &unr_; unmarried ('a priv. + &unr_; marriage) + &unr_; reproduction. ] (Biol.) Reproduction without the union of parents of distinct sexes: asexual reproduction. [ 1913 Webster ]