steen·bok (stēn'bŏk', stān'-) n. A small antelope (Raphicerus campestris) of southern and eastern Africa, having a brownish coat and short, pointed horns in the male and living chiefly in dry grasslands.
[Afrikaans, from Middle Dutch steenboc, ibex : steen, stone; see stāi- in Indo-European roots + boc, buck.]