primogenitive

from The Collaborative International Dictionary of English v.0.48
Primogenitive \Pri`mo*gen"i*tive\, a. [See {Primogeniture}.]
   Of or pertaining to primogeniture. [R.]
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Primogenitive \Pri`mo*gen"i*tive\, n.
   Primogeniture. [Obs.]
   [1913 Webster]

         The primogenitive and due of birth.      --Shak.
   [1913 Webster]
    

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