sister

• Noun

  1. A daughter of the same parents as another person; a female sibling.
  2. A female member of a religious order; especially one devoted to more active service; (informal) a nun.
  3. Any butterfly in the genus Adelpha, so named for the resemblance of the dark-colored wings to the black habit traditionally worn by nuns.
  4. A senior or supervisory nurse, often in a hospital.
  5. Any woman or girl with whom a bond is felt through the same biological sex, gender or common membership in a community, race, profession, religion, organization, or ism.
  6. (slang) A black woman.
  7. (informal) A form of address to a woman.
  8. A woman, in certain religious, labour or socialist circles; also as a form of address.
  9. An entity that has a special or affectionate, non-hierarchical relationship with another.
  10. A node in a data structure that shares its parent with another node.
  11. Something in the same class.

• Verb