A large, heavy antelope (
Kobus ellipsiprymnus) native of Central Africa. It frequents the banks of rivers and is a good swimmer. It has a white ring around the rump. Called also
photomok,
water antelope, and
waterbok. [
1913 Webster]
" The name is also applied to other related species, as the leche (Kobus leche), which has similar habits."
[1913 Webster]