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Webster 1913 Edition

Noun.

(Far.)

A morbid growth or deposit of bony matter between or on the small pastern and the great pastern bones.

J. H. Walsh.

See also: ring-bone

ringbone

osteoarthritis affecting any of several bones of a horse's foot
- 1920, Peter B. Kyne, The Understanding Heart, Chapter XII
  1. “As an inventor,” Bob Mason suggested, “you're a howling success at shooting craps ! If I were as free of spavins, ringbone, saddle-galls, and splints as you are, I'd have that nanny-goat in here, hog-tie her, flop her and let the boy help himself. […]”