wildcatter (plural wildcatters)
- (US) Someone who drills for oil speculatively
- A worker who participates in a wildcat strike
- (firearms) A person who makes wildcat ammunition and the guns that use them.
(Can we date this quote?) “Ammunition”, in Weatherby, archived from the original on 15 February 2005:
- Roy Weatherby began his career in the firearms industry as a “wildcatter”, developing his revolutionary ideas about rifle cartridge performance and design.