New Defender's Study Bible Notes
92:10 unicorn. The unicorn (Hebrew reem) was not a mythical animal, but an extinct animal. Many commentators think it was the giant wild ox, or aurochs. This verse indicates, however, that it did have a “horn” (not two horns, that may have looked like one horn from a distance). Deuteronomy 33:17 speaks of the “horns of unicorns,” but this is ambiguous as to whether it meant one-horned or two-horned animals. Many ancient writers describe unicorns as large and fierce animals with one horn. An extinct type of rhinoceros or some other now-unknown extinct animal may be the best explanation.