“+ə(r) noun
( -s )
Etymology: wildcat (III) + -er
1. : one that drills wells in the hope of finding oil in territory not known to be an oil field
2. : one that promotes unsafe and unreliable enterprises ; especially : one that sells stock in enterprises of this kind
3.
[ wildcat (cartridge) + -er ]
: one that designs, builds, or fires wildcat cartridges and rifles as a hobby