Which \Which\, pron. [OE. which, whilk, AS. hwilc, hwylc, hwelc,
   from the root of hw[=a] who + l[imac]c body; hence properly,
   of what sort or kind; akin to OS. hwilik which, OFries.
   hwelik, D. welk, G. welch, OHG. wel[imac]h, hwel[imac]h,
   Icel. hv[imac]l[imac]kr, Dan. & Sw. hvilken, Goth. hwileiks,
   hw?leiks; cf. L. qualis. ????. See Who, and Like, a., and
   cf. Such.]
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   1. Of what sort or kind; what; what a; who. [Obs.]
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            And which they weren and of what degree. --Chaucer.
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   2. A interrogative pronoun, used both substantively and
      adjectively, and in direct and indirect questions, to ask
      for, or refer to, an individual person or thing among
      several of a class; as, which man is it? which woman was
      it? which is the house? he asked which route he should
      take; which is best, to live or to die? See the Note under
      What, pron., 1.
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            Which of you convinceth me of sin?    --John viii.
                                                  46.
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   3. A relative pronoun, used esp. in referring to an
      antecedent noun or clause, but sometimes with reference to
      what is specified or implied in a sentence, or to a
      following noun or clause (generally involving a reference,
      however, to something which has preceded). It is used in
      all numbers and genders, and was formerly used of persons.
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            And when thou fail'st -- as God forbid the hour! 
            Must Edward fall, which peril heaven forfend!
                                                  --Shak.
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            God . . . rested on the seventh day from all his
            work which he had made.               --Gen. ii. 2.
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            Our Father, which art in heaven.      --Matt. vi. 9.
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            The temple of God is holy, which temple ye are. --1
                                                  Cor. iii. 17.
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   4. A compound relative or indefinite pronoun, standing for
      any one which, whichever, that which, those which, the . .
      . which, and the like; as, take which you will.
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   Note: The which was formerly often used for which. The
         expressions which that, which as, were also sometimes
         used by way of emphasis.
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               Do not they blaspheme that worthy name by the
               which ye are called?               --James ii. 7.
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   Note: Which, referring to a series of preceding sentences, or
         members of a sentence, may have all joined to it
         adjectively. "All which, as a method of a proclamation,
         is very convenient." --Carlyle.
         [1913 Webster] Whichever