Definition of "fetlock" [fet•lock]

• A projection on the lower part of the leg of a horse or related animal, above and behind the hoof. (noun)
• A tuft of hair on such a projection. (noun)
• The joint marked by such a projection. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "A point a little above the fetlock is usually the seat of the injury."
• ""The angle of the foot and pastern has a physical effect on the angle of the fetlock, which is the major site of the change of direction and absorption of the force being directed down the limb," he explained."
• "He discussed another study exploring whether injecting a horse's blood into his fetlock was a good model of temporary, reversible lameness."