GNU Collaborative International Dictionary of English

Found one definition

1.       
   Coronet , n. [Dim. of OE. corone crown; cf. OF. coronete. See Crown, and cf. Crownet, Cronet.]
   1913 Webster
   An ornamental or honorary headdress, having the shape and character of a crown; particularly, a crown worn as the mark of high rank lower than sovereignty. The word is used by Shakespeare to denote also a kingly crown.
   1913 Webster
   Without a star, a coronet, or garter.
   Goldsmith.
   
   1913 Webster
   ☞ The coronet of the Prince of Wales consist of a circlet of gold with four crosses pattée around the edge between as many fleurs-de-lis. The center crosses are connected by an arch which is surmounted by a globe or cross. The coronet of a British duke is adorned with strawberry leaves; that of a marquis has leaves with pearls interposed; that of an earl raises the pearls above the leaves; that of a viscount is surrounded with pearls only; that of a baron has only four pearls.
   1913 Webster
   (Far.) The upper part of a horse's hoof, where the horn terminates in skin.
   James White.
   
   1913 Webster
   (Anc. Armor) The iron head of a tilting spear; a coronel.
   Crose.
   
   1913 Webster