spring·bok 
(spr
ĭng
b
ŏk
′) also
spring·buck (-b
ŭk
′)
n. pl. springbok or
spring·boks also
springbuck or
spring·bucks A small brown and white gazellelike antelope (Antidorcas marsupialis) of southern Africa, noted for its habit of repeatedly leaping high into the air when startled.
[Afrikaans : spring, to leap up (from Middle Dutch springhen) + bok, male deer (from Middle Dutch boc).]