
1) Horse disease
Found on
https://www.crosswordclues.com/clue/quittor

Quittor is an infection of the lower leg of equines, sometimes known as graveling. A condition once common in draft horses, it is characterized by inflammation of the cartilage of the lower leg. There are two forms, subcutaneous and cartilaginous. Quittor usually results from an injury to the leg, such as an abscess on the coronary band above the ...
Found on
http://en.wikipedia.org/wiki/Quittor

• (n.) A chronic abscess, or fistula of the coronet, in a horse`s foot, resulting from inflammation of the tissues investing the coffin bone.
Found on
http://thinkexist.com/dictionary/meaning/quittor/
Quit'tor (-tẽr)
noun [ Perhaps for
quitture .]
(Far.) A chronic abscess, or fistula of the coronet, in a horse's foot, resulting from inflammation of the tissues investing the coffin bone.
Found on
http://www.encyclo.co.uk/webster/Q/13

Infection of the lateral cartilage of the hoof
Found on
http://www.gaitedhorses.net/Articles/HorseGlossary.html

Chronic inflammatory process of the collateral cartilage of the coffin bone.
Found on
http://www.thehorse.com/Glossary.xhtml?L=Q

purulent infection of horses and other hoofed animals, characterized by chronic inflammation of the lateral cartilage of the foot and formation of fistulas that open above the coronet, usually resulting in lameness.
Found on
https://www.infoplease.com/dictionary/quittor
No exact match found.