roughrider

• ⇰ One who breaks horses; especially <fld>(Mil.)</fld>, a noncommissioned officer in the British cavalry, whose duty is to assist the riding master.
• ⇰ An officer or enlisted man in the 1st U. S. Volunteer Cavalry, a regiment raised for the Spanish war of 1898, composed mostly of Western cowboys and hunters and Eastern college athletes and sportsmen, largely organized, and later commanded, by Theodore Ro