Webster's Revised Unabridged Dictionary · 1913

Sallenders

Sallenders , noun, plural

[French solandres, solandre.]

(Farriery) An eruption on the hind leg of a horse.
On the inside of the hock, or a little below it, as well as at the bend of the knee, there is occasionally a scurfy eruption called “mallenders” in the fore leg, and “sallenders” in the hind leg. — Youatt