'Postgeniture' definitions:

Definition of 'Postgeniture'

From: GCIDE

Postgeniture \Post*gen"i*ture\ (?; 135), n. [Pref. post- + L. genitura birth, geniture.] The condition of being born after another in the same family; -- distinguished from primogeniture. [R.] --Sir T. Browne. [1913 Webster]