consort

1. The spouse of a monarch. (countable, uncountable)
2. A husband, wife, companion or partner. (countable, uncountable)
3. An informal, usually well-publicized sexual companion of a monarch, aristocrat, celebrity, etc. (countable, uncountable)
4. A ship accompanying another. (countable, uncountable)
5. Association or partnership. (uncountable)
6. A group or company, especially of musicians playing the same type of instrument. (countable, uncountable)

Plural consorts