'Sassaby' definitions:

Definition of 'sassaby'

From: WordNet
noun
A large South African antelope; considered the swiftest hoofed mammal [syn: sassaby, topi, Damaliscus lunatus]

Definition of 'Sassaby'

From: GCIDE
  • Sassaby \Sas"sa*by\, Sassabye \Sas"sa*bye\, n. (Zool.) A large African antelope (Alcelaphus lunata), similar to the hartbeest, but having its horns regularly curved. [1913 Webster]