Definition of Apogamy 1. (botany) development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization Noun Semanticaly linked words with "apogamy" Hyponims for word "apogamy" Lexical Analysis for "apogamy" apogamic of or relating to the development of an embryo in the absence of fertilization apogamous of or relating to the development of an embryo in the absence of fertilization etymologically related -gamy etymological origin of apo- etymologically related apospory etymological origin of gamy etymologically related parthenogenesis is derived from apogamic is derived from apogamous