1) Holding in check 2) Keeping under control 3) Western-style riding 
Reining is a western riding competition for horses where the riders guide the horses through a precise pattern of circles, spins, and stops. All work is done at the lope (a slow, relaxed version of the horse gait more commonly known worldwide as the canter), or the gallop (the fastest of the horse gaits). Originating from working cattle, reining i...
• (p. pr. & vb. n.) of Rein
A Western style of riding demonstrating tremendous agility in turning, stopping, lead changing and more.
a judged event in which the Western horse-and-rider pair perform a pattern of circles and straight lines, with sliding stops and spins in place.
Type of Western riding in which advanced movements such as spins and slides are executed in various patterns.