Artificial intelligent assistant

prate-rost

prate-rost Obs. slang.
  [f. prate n. or v.: second element obscure.]
  A prater.

1671 Glanvill Disc. M. Stubbe Pref. A ij b, I would not have it thought, I make dealing with this Prate-rost any part of my Business. a 1700 B. E. Dict. Cant. Crew., Prateroast, a Talking Boy. 1725 New Cant. Dict., Prate-Roast.

Oxford English Dictionary

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