noun Date: 1733 one who is accustomed to riding unbroken or little-trained horses, a member of the first United States Volunteer Cavalry regiment in the Spanish-American War commanded by Theodore Roosevelt
ROUGHRIDER
Meaning of ROUGHRIDER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012