n. [ Pref. syn- + genesis. ] (Biol.) A theory of generation in which each germ is supposed to contain the germs of all subsequent generations; -- the opposite of epigenesis. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. sy`n with, together + &unr_; generation, birth. ] (Bot.) A Linnaean class of plants in which the stamens are united by the anthers. [ 1913 Webster ]

{ } a. (Bot.) Having the stamens united by the anthers; of or pertaining to the Syngenesia. [ 1913 Webster ]