Source : Webster's Revised Unabridged Dictionary (1913)

Crownet \Crown"et\ (kroun"?t), n. [See {Crown}, {Coronet}.]
   1. A coronet. [R.] --P. Whitehead.

   2. The ultimate end and result of an undertaking; a chief
      end. [Obs.]

            O this false soul of Egypt! this grave charm . . . .
            Whose bosom was my crownet, my chief end. --Shak.