1. Kob definition is - any of various African antelopes (genus Adenota) related to the waterbucks.

2. I, 2), Adenota kob thomasi (Neumann I896), is the East African race of a species of medium-sized antelopes in the tribe Reduncini (reedbucks, waterbucks, and kobs or marsh-antelopes), sub-family Hippotraginae (SIMPSON, 1945)