rangy
adj.
"having a long, slender form" (as an animal suited to ranging), 1845, from range, v. + -y(2). Also "adapted for ranging" (1868). Of landscapes, "hilly," 1862, Australian English. Related: Ranginess.
As a rule, we hold that the Jersey should be "growthy," deep-flanked, and loose-jointed, and should have, generally, the characteristics which farmers know as "rangy." ["American Agriculturalist," November 1876]