Artificial intelligent assistant

pen-case

ˈpen-case
  [f. pen n.2 + case n.2]
  A case or receptacle for a pen or pens. (Cf. penner1.)

1599 Minsheu ii, A penner or pencase, vide Caxa de escrivanias. a 1805 A. Carlyle Autobiog. 96 He made me a present of a pen-case of his own turning.

   b. By extension, A case or receptacle generally. Obs. rare—1.

1662 J. Chandler Van Helmont's Oriat. 110 But exhalations, which in the account of the Schooles, are the daily matter of Windes, Mists, Comets, Mineralls, Rockie Stones, saltness of the Sea, Earth-quakes, and of all Meteors, seeing they have no pen-case or receptacle in nature [orig. cum pennarium in natura non habeant], nor matter sufficient for so great daily things,..are wondrous dreams.

Oxford English Dictionary

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