sassaby: a large South African antelope; considered the swiftest hoofed mammal
antelope: graceful Old World ruminant with long legs and horns directed upward and backward; includes gazelles; springboks; impalas; addax; gerenuks; blackbucks; dik-diks
roulette: a gambling game in which players bet on which compartment of a revolving wheel a small ball will come to rest in