(n) 1. a woman who practices BDSM in everyday life; a woman who controls her partner mentally and physically, usually in a sexual way. Vanilla people categorize this type of lifestyle as kinky. The Dominatrix is stereotypically pictured as wearing stilleto boots, black leather outfit, and hold a whip.
2. a woman who gets paid to control a person, usually in a sexual way.
The ruling female tech geek who keeps track of web servers, dns, hosting and other technical geekiness required to keep her business running on the internet.