Artificial intelligent assistant

serena

seˈrena Obs. rare.
  [It. (Neapolitan); cf. Sp. sereno in the same sense.]
  = serene n.1

1594 Nashe Terrors Nt. H 1 b, It hath caused such a thicke fulsome Serena to descend on my braine. a 1600 R. Dudley in Hakluyt's Voy. III. 575 The most infectious serenas or dewes that fall all along these coasts of Africa. 1713 Gentl. Instructed i. Suppl. iii. (ed. 5) 14 They had..armed themselves against the Serena with a Caudle.

Oxford English Dictionary

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