Artificial intelligent assistant

crustate

crustate, a.
  (ˈkrʌsteɪt)
  [ad. L. crustāt-us crusted, incrusted; applied by Pliny to crustacea.]
  Crusted; crustaceous.

1661 Lovell Hist. Anim. & Min. Introd., Exanguine aquaticks, which are either soft, as the Polypus..or Crustate..as the Lobster. 1882 Syd. Soc. Lex., Crustate, having an outer hard rind or shell.

Oxford English Dictionary

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