Artificial intelligent assistant

Fisher

Fisher2 colloq.
  (ˈfɪʃə(r))
  [f. the name of Sir Warren Fisher, Permanent Secretary to the Treasury 1919–39.]
  Temporary name for a currency note (esp. of {pstlg}1). Cf. Bradbury.

1922 Daily Mail 18 Dec. 7 A ‘Bradbury’ or a ‘Fisher’ are terms that have practically passed into the language. 1923 Motor Cycling 14 Nov. 35/2 The Bench mulcted him of a couple of Fishers and warned him as to his future behaviour.

Oxford English Dictionary

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