1. Female monarch or wife of a male monarch (king).
2. One of many chess pieces.
3. British rock band. They had some very characteristic vocal harmonies, as in "Bohemian Rapsody". Freddy Mercury, the lead vocalist and most famous member, died in 1991.
4. The only female insect in a hive that is fertile and egg laying, for example, a bee queen.
5. A female cat with a litter of kittens.