cor·o·net 
(kôr′ə-nĕt, kŏr′-)
(kôr′ə-nĕt, kŏr′-)n.
1. A small crown worn by princes and princesses and by other nobles below the rank of sovereign.
2. A chaplet or headband decorated with gold or jewels.
3. The upper margin of a horse's hoof.
[Middle English coronette, from Old French, diminutive of corone, crown, from Latin corōna; see CROWN.]