Definitions

1. noun

a wild or feral horse, especially one that has escaped from domestication

“The cowboys had to deal with a herd of cimarrons that had wandered into town.”

2. proper noun

a river in the southwestern United States and northern Mexico, a tributary of the Rio Grande

“The hikers followed the cimarron river for several miles before reaching the border.”

3. adjective

wild or feral, especially in a romantic or nostalgic sense

“The author wrote about the cimarron spirit of the American West.”