资料来源 : Webster's Revised Unabridged Dictionary (1913)

Primogenitive \Pri`mo*gen"i*tive\, a. [See {Primogeniture}.]
   Of or pertaining to primogeniture. [R.]

Primogenitive \Pri`mo*gen"i*tive\, n.
   Primogeniture. [Obs.]

         The primogenitive and due of birth.      --Shak.