saddlecloth

noun

1. A blanket placed under a saddle, a saddle blanket.

   “He rejoined the Twenty-Second Lancers at Cape Town—all the squadrons together again for the first time in two years—and sailed for home. The new King himself reviewed them after their arrival, having granted them time enough to discard their khaki and put on again the glories of blue and gold, schapska and plume, lance pennons and embroidered saddle cloths.”

2. A cloth displaying a racehorse's number.