Farrier

A person who shoes horses.

Fetlock

Resembles the ankle of the horse.

Filly

A female horse under the age of four.

Fino

Smooth four-beat gait performed by Paso Finos. Similar natural four-beat gaits are found in breeds such as the Peruvian Paso. The corto occurs naturally, and is similar to the trot in speed. The largo is extended and high-speed, and the fino is very collected. This is the gait emphasized in high-level competition.

Flake

One tenth of a bale of hay.

Flank

Where the hind legs and the stomach of the horse meet.

Flat racing

A term commonly used in the United Kingdom to denote a form of horse racing which is run over a predetermined distance and in which the horses are not required to jump over obstacles such as hurdles or fences as in National Hunt racing.

Foal

The young offspring of a horse under the age of one.

Furlong

660 feet or 220 yards. It originally referred to the length of the furrow in one acre of a ploughed open field (a medieval communal field which was divided into strips).