ˈzēnēə, -nyə noun
( -s )
Etymology: New Latin, from Greek, hospitality, from xenos guest + -ia -y
: the effect of genes introduced by a male nucleus on structures (as endosperm or the fruit of a seed plant) other than the embryo ; also : the effect of a gene capable of manifesting its dominant influence in the presence of two allelic genes — compare double fertilization , metaxenia