Having good or strong ribs. Sometimes: spec. (of a horse or dog) having the posterior ribs coming relatively close to the pelvic bones, regarded…

With prefixed or postmodifying adverb. Of a horse or dog: having the posterior ribs coming relatively close to the pelvic bones (i.e. short-coupled)…

Of a horse: having the posterior ribs coming relatively close to the pelvic bones (i.e. short-coupled), regarded as a desirable feature. Cf. ribbed…