資料來源 : Webster's Revised Unabridged Dictionary (1913)

   6. Highest state; acme; consummation; perfection.

            Mutual love, the crown of all our bliss. --Milton.

   7. The topmost part of anything; the summit.

            The steepy crown of the bare mountains. --Dryden.

   8. The topmost part of the head (see Illust. of {Bird}.);
      that part of the head from which the hair descends toward
      the sides and back; also, the head or brain.

            From toe to crown he'll fill our skin with pinches.
                                                  --Shak.

            Twenty things which I set down: This done, I twenty
            more-had in my crown.                 --Bunyan.

   9. The part of a hat above the brim.

   10. (Anat.) The part of a tooth which projects above the gum;
       also, the top or grinding surface of a tooth.

   11. (Arch.) The vertex or top of an arch; -- applied
       generally to about one third of the curve, but in a
       pointed arch to the apex only.

   12. (Bot.) Same as {Corona}.

   13. (Naut.)
       (a) That part of an anchor where the arms are joined to
           the shank.
       (b) The rounding, or rounded part, of the deck from a
           level line.
       (c) pl. The bights formed by the several turns of a
           cable. --Totten.

   14. The upper range of facets in a rose diamond.

   15. The dome of a furnace.

   16. (Geom.) The area inclosed between two concentric
       perimeters.

   17. (Eccl.) A round spot shaved clean on the top of the head,
       as a mark of the clerical state; the tonsure.

   18. A size of writing paper. See under {Paper}.

   19. A coin stamped with the image of a crown; hence,a
       denomination of money; as, the English crown, a silver
       coin of the value of five shillings sterling, or a little
       more than $1.20; the Danish or Norwegian crown, a money
       of account, etc., worth nearly twenty-seven cents.

   20. An ornaments or decoration representing a crown; as, the
       paper is stamped with a crown.

   {Crown of aberration} (Astron.), a spurious circle around the
      true circle of the sun.

   {Crown antler} (Zo["o]l.), the topmost branch or tine of an
      antler; also, an antler having a cuplike top, with tines
      springing from the rim.

   {Crown bar}, one of the bars which support the crown sheet of
      steam-boiler furnace.

   {Crown glass}. See under {Glass}.

   {Crown imperial}. (Bot.) See in the Vocabulary.

   {Crown jewels}, the jewels appertaining to the sovereign
      while wearing the crown. [Eng.] ``She pawned and set to
      sale the crown jewels.'' --Milton.

   {Crown land}, land belonging to the crown, that is, to the
      sovereign.

   {Crown law}, the law which governs criminal prosecutions.
      [Eng.]

   {Crown lawyer}, one employed by the crown, as in criminal
      cases. [Eng.]

   {Crown octavo}. See under {Paper}.

   {Crown office}. See in the Vocabulary.

   {Crown paper}. See under {Paper}.

   {Crown piece}. See in the Vocabulary.

   {Crown Prince}, the heir apparent to a crown or throne.

   {Crown saw}. See in the Vocabulary.

   {Crown scab} (Far.), a cancerous sore formed round the
      corners of a horse's hoof.

   {Crown sheet}, the flat plate which forms the top of the
      furnace or fire box of an internally fired steam boiler.
      

   {Crown shell}. (Zo["o]l.) See {Acorn-shell}.

   {Crown side}. See {Crown office}.

   {Crown tax} (Eccl. Hist.), a golden crown, or its value,
      which was required annually from the Jews by the king of
      Syria, in the time of the Maccabees. --1 Macc. x. 20.

   {Crown wheel}. See in the Vocabulary.

   {Crown work}. See in the Vocabulary.

   {Pleas of the crown} (Engl. law), criminal actions.

資料來源 : WordNet®

crown prince
     n : a male heir apparent to a throne