1. tawny-coloured animal (dated)

2. a big cat, such as a lion or lynx (by extension)

3. beast, wild animal, especially fierce, aggressive, or predatory. Usually implies adding big bears like the Black, Brown and Polar ones. Sometimes extends up to the wolverine, wolf, etc. More rarely, big, aggressive and/or hard to meet cervid game might go under this umbrella term as well. (by extension)

4. a violent or aggressive man or woman (figuratively)

5. a brownish orange color, tawny

6. examiner (polytechnic jargon, obsolete)