1. A company or organization where most or all of the work is handled by one woman. (Alternatively, "one-man show.") My business started out as a one-woman show. I did pretty much everything myself until I could afford to hire some help.
2. A theater performance that is written, directed, and performed by one woman. (Alternatively, "one-man show.") I heard Lauren is doing her one-woman show during the Fringe Festival next month!
See also: show