okapi
Concise Oxford English Dictionary © 2008 Oxford University Press:
okapi /ə(ʊ)ˈkɑːpi/
▶noun (pl. same or okapis) a large browsing mammal of the giraffe family that lives in the rainforests of the Democratic Republic of Congo (Zaire), having a dark chestnut coat with stripes on the hindquarters and upper legs. [Okapia johnstoni.]
– origin early 20th cent.: a local word.
'okapi' also found in these Oxford entries:

