In modern usage, the word is seldom used any longer to refer to a "wild," or more accurately, a feral horse, because today, the modern rodeo bucking horse is a domestic animal.
In modern usage, the word is seldom used any longer to refer to a "wild," or more accurately, a feral horse, as the population of mustangs has been reduced to 25,000. Today, the modern rodeo bucking horse is a domestic animal.