wild cat

Short definition from Wiktionary

Noun

1. 1
   An undomesticated felid, as tigers or lions.
2. 2
   A feral cat.
3. 3
   Alternative form of wildcat, (UK) the Old World wildcats (Felis silvestris) or (US) the bobcat (Lynx rufus) and other New World lynxes.
4. 4
   Alternative form of wildcat in its other extended senses.
5. 5
   Alternative form of wildcat.