Source : Webster's Revised Unabridged Dictionary (1913)

Crowned \Crowned\ (kround), p. p. & a.
   1. Having or wearing a crown; surmounted, invested, or
      adorned, with a crown, wreath, garland, etc.; honored;
      rewarded; completed; consummated; perfected. ``Crowned
      with one crest.'' --Shak. ``Crowned with conquest.''
      --Milton.

            With surpassing glory crowned.        --Milton.

   2. Great; excessive; supreme. [Obs.] --Chaucer.

Crown \Crown\ (kroun), v. t. [imp. & p. p. {Crowned} (kround);
   p. pr. & vb. n. {Crowning}.] [OE. coronen, corunen, crunien,
   crounien, OF. coroner, F. couronner, fr. L. coronare, fr.
   corona a crown. See {Crown}, n.]
   1. To cover, decorate, or invest with a crown; hence, to
      invest with royal dignity and power.

            Her who fairest does appear, Crown her queen of all
            the year.                             --Dryden.

            Crown him, and say, ``Long live our emperor.''
                                                  --Shak.

   2. To bestow something upon as a mark of honor, dignity, or
      recompense; to adorn; to dignify.

            Thou . . . hast crowned him with glory and honor.
                                                  --Ps. viii. 5.

   3. To form the topmost or finishing part of; to complete; to
      consummate; to perfect.

            Amidst the grove that crowns yon tufted hill.
                                                  --Byron.

            One day shall crown the alliance.     --Shak.

            To crown the whole, came a proposition. --Motley.

   4. (Mech.) To cause to round upward; to make anything higher
      at the middle than at the edges, as the face of a machine
      pulley.

   5. (Mil.) To effect a lodgment upon, as upon the crest of the
      glacis, or the summit of the breach.

   {To crown a knot} (Naut.), to lay the ends of the strands
      over and under each other.

Source : WordNet®

crowned
     adj 1: having an artificial crown on a tooth; "had many crowned
            teeth" [ant: {uncrowned}]
     2: crowned with or as if with laurel symbolizing victory [syn:
        {laureled}, {laurelled}] [ant: {unlaureled}]
     3: provided with or as if with a crown or a crown as specified;
        often used in combination; "a high-crowned hat"; "an
        orange-crowned bird"; "a crowned signet ring" [ant: {uncrowned}]