noun, plural -cats, (especially collectively
) -cat for 1–4, adjective, verb, -cat⋅ted, -cat⋅ting.| 1. | any of several North American felines of the genus Lynx. Compare lynx. |
| 2. | a yellowish-gray, black-striped feline, Felis sylvestris, of Europe, western Asia, and northern Africa, resembling and closely related to the domestic cat, with which it interbreeds freely. |
| 3. | a closely related feline, Felis sylvestris libyca, of northern Africa, believed to be the ancestor of the domestic cat. |
| 4. | any of several other of the smaller felines, as the serval or ocelot. |
| 5. | a domestic cat that has become feral. |
| 6. | a quick-tempered or savage person. |
| 7. | Railroads. a single locomotive operating without a train, as one switching cars. |
| 8. | an exploratory well drilled in an effort to discover deposits of oil or gas; a prospect well. |
| 9. | a reckless or unsound enterprise, business, etc. |
| 10. | Informal. wildcatter (def. 2). |
| 11. | Nautical. a shaped drum on a windlass, engaging with the links of an anchor chain. |
| 12. | Informal. wildcat strike. |
| 13. | characterized by or proceeding from reckless or unsafe business methods: wildcat companies; wildcat stocks. |
| 14. | of or pertaining to an illicit enterprise or product. |
| 15. | running without control or regulation, as a locomotive, or apart from the regular schedule, as a train. |
| 16. | to search an area of unknown or doubtful productivity for oil, ore, or the like, esp. as an independent prospector. |
| 17. | Slang. to engage in a wildcat strike. |
| 18. | to search (an area of unknown or doubtful productivity) for oil, ore, or the like. |
