Farriery. Obs. [F. jardon, ad. It. giardone, augmentative of giarda JARDE.] A callous tumor on the leg of a horse, a little below the bending of the ham on the outside.
c. 1720. W. Gibson, Farriers Guide, II. lxxviii. (1738), 234. All those hard Tumors whether they be Spavins, Jardons, Curbs, or any other kind.
1797. Sporting Mag., X. 11. A Jardon is a swelling on the outside of the hock, proceeding from a kick or some accident.