trans·hu·mance (trāns-hyōō'məns, trānz-) n. Transfer of livestock from one grazing ground to another, as from lowlands to highlands, with the changing of seasons.
[French, from transhumer, to move livestock seasonally, from Spanish trashumar : Latin trāns-, trans- + Latin humus, ground; see dhghem- in Indo-European roots.] trans·hu'mant adj. & n.