Cortana

Cortana may refer to: Cortana (gastropod), a gastropod genus Cortana (Halo), character in the Halo franchise Cortana (virtual assistant), virtual assistant from Microsoft Cortana, or Curtana, a ceremonial sword used in the coronation of British monarchs Cortain, or Curtana, the sword wielded by Ogier the Dane, Paladin of Charlemagne