It is called the frog. It is very sensitive and should not be hurt with by the hoofpic.
Hoof
If you mean the part of the hoof taken off by a farrier then it's usually just called a hoof trimming.
Horses "feet" are called hooves. There are several parts; the hoof wall, and the frog are the main ones. The wall is the fingernail like substance that makes up the hoof, while the frog is the flesh-like part in the middle.
The band aroung the top of a horses hoof is called the coronet or coronary band.
I'm pretty sure it's called the wall of the hoof. :)
A horse's foot is called a hoof. The plural (or when referring to all feet) is hooves.
A horses foot is called the Hoof. The Hoof is the hard part on the bottom of the horses leg. Horses hooves are like our fingernails, actually they are made out of the same thing.
A horses foot is called a hoof.
the frog
The middle part of a horses hoof is called a frog.
An infection of a part of a horses hoof called the frog