genˈerātor noun

1. A begetter or producer
2. An apparatus for producing gases, etc
3. An apparatus for turning mechanical into electrical energy
4. A fundamental tone, the first or lowest in a chord or harmonic series (music)

generāˈtrix noun (pl generāˈtrices /-tri-sēz/)

1. A mother (obsolete)
2. A generant (geometry)

generating station noun

A plant where electricity is generated