yes sort of. its the term for an old horse normally one that's run-down and useless to ride/work.
A worn out horse is a hack or a jade Nag is another word used
nag (not as in pester)
NAG
Another word for an old horse in three letters that is not "nag" is "dam". A dam is what the mother horse is called.
nag?
To "nag" is to go on and on and on about the same thing,hoping to convince someone to do something usually.To "nag" can also mean to moan about things all the time. what my dad does to me every waking second of his life
Equus = Horse Caballus = Horse, but an inferior one - a nag.
mustang
A horse is sometimes referred to as a nag. The nag is a horse that is in poor health or very old in age.
Caballus is Latin for a nag, a pack-horse. In the Roman army slang that became the various Romance languages, it stood for a horse, generally. Like the Greek cognate καβαλλης, it has obscure origin.
nag
Nag