A person or animal (especially a horse) that prances(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "prancer" in a sentence
"Cheri, aka LuvToSpin, is a prancer and a hoop dancer."
"They had dasher, dancer, prancer, sort of were walking them through the process."
"And now, that my beloved seems secure in my net, for my project upon the vixen Miss Howe, and upon her mother: in which the officious prancer Hickman is to come in for a dash."