/gruys"bok, grays"-/ , n.
either of two small, usually solitary antelopes of southern Africa, Raphicerus melanotis, or R. sharpei (Sharpe's grysbok) , having a light to dark reddish-brown coat speckled with white.
[ 1780-90; grys gray ( grijs; see GRISEOUS) + bok BUCK 1 ]