cold-back

Noun

 * 1) A syndrome in which a horse refuses to accept anything on its back (often a symptom of chronic lower back soreness)
 * 2) A horse with cold-back.
 * 1) A horse with cold-back.
 * 1) A horse with cold-back.
 * 1) A horse with cold-back.
 * 1) A horse with cold-back.

Adjective

 * 1)  Refusing to bear weight on its back; bucking and shying when anything is put on the back.