Which of the following is commonly used to describe male horses that have been castrated?

The term "gelding" is specifically used to refer to a male horse that has been castrated. Castration is a surgical procedure that removes the testicles, which usually results in a more docile and manageable animal, especially in training and handling scenarios. Geldings are often preferred for riding and recreational activities, as they typically exhibit calmer behavior compared to intact males.

On the other hand, a "colt" refers to a young male horse that has not yet reached maturity and has not been castrated. A "stud" is a term used for a male horse that is intact and used for breeding purposes, while a "stallion" is another term for an intact male horse, especially those that are older and capable of reproduction. Understanding these terms is essential for effective communication in equine management and evaluation.