There is no term "farr" but a person who works with horses' hooves and horseshoes is a "farrier."
any horse
A Morgan horse is a very elegant horse.
An iron horse is a steam railway locomotive
Hugh Farr's birth name is Thomas Hubert Farr.
Karl Farr's birth name is Karl Marx Farr.
Lynn Farr's birth name is Franklin Lynnwood Farr.
Miller Farr's birth name is Miller Farr Jr..
Shonda Farr's birth name is Shonda Katherine Farr.
It's a horse
A young male horse
The size of a horse all depends on age & breed.
Florence Farr has written: 'Florence Farr, Bernard Shaw, W.B. Yeats'