D defs.my
Entry 3 senses Webster, 1913

Coronet

/(k?r"?-n?t)/ · Cor·o·net · IPA /ˈkɔɹənɪt/
01 n. An ornamental or honorary headdress, having the shape and character of a crown; particularly, a crown worn as the mark of high rank lower t…
  1. 1.
    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.
    “Without a star, a coronet, or garter.” Goldsmith.
  2. 2.
    The upper part of a horse's hoof, where the horn terminates in skin.(Far.)
  3. 3.
    The iron head of a tilting spear; a coronel.(Anc. Armor)