Split Hoof.—Quarter-crack. Sand-crack.
Stag; Staggy.—Thick and coarse in throat-latch and crest from late castration.
Stocked Legs.—“Filled” or dropsical, swollen legs below knees and hocks, the result of a lack of exercise or of sickness.
Stringy; Stringhalt.—The hind leg is jerked up at each step in walking and trotting. [See Cramp.]
Stifled.—Patella of stifle out of place. Any disease of the stifle-joint.
Stump Sucker.—[See Cribber.]
Sweeny.—Wasting, (atrophy) of the muscles of the shoulder.
Switcher.—Tail switching, nervous mare, that may also throw urine.
Talks to the Driver.—A roarer.
Takes a Little Hold.—A cribber.