Glossary of Racing Terms
ultrasound: 1) Diagnostic ultrasound: a technique that uses ultrasonic waves to image internal structures. 2) Therapeutic ultrasound: a therapy to create heat and stimulate healing.
underlay: A horse racing at shorter odds than seems warranted by her/his past performances.
under wraps: Horse under stout restraint in a race or workout to keep her/him from pulling away from the competition by too large a margin.
untried: 1) Not raced or tested for speed. 2 ) A stallion that has not been bred.
unwind: Gradually withdrawing a horse from intensive training.