Artificial intelligent assistant

waistcoated

waistcoated, a.
  (ˈweɪs(t)kəʊtɪd)
  [f. waistcoat + -ed2.]
  Provided with a waistcoat.

1798 C. Smith Yng. Philos. I. 27 He..was pantalooned and waistcoated after the very newest fashion. 1897 M. Corelli Ziska i, His paunch..a kind of waistcoated air balloon.

  b. with defining word prefixed.

1838 Dickens O. Twist ii, As I purpose to show in the sequel whether the white-waistcoated gentleman was right or not. 1896 R. B. Mansfield Chips 224 Magpies..the black-coated and white-waistcoated gentry.

Oxford English Dictionary

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