The wife or widow of an emperor or equated ruler.
The third trump or major arcana card of most tarot decks.
The female monarch (ruler) of an empire.
A female chimpanzee.
A deciduous tree, Paulownia tomentosa
A member of an oligarchy; someone who is part of a small group that runs a country.
A very wealthy business owner who wields political power.
A protoplanet formed during oligarchic accretion.