D defs.my
Entry 4 senses Webster, 1913

Which

/wĭch/ · IPA /wɪt͡ʃ/
01 pron. Of what sort or kind; what; what a; who.
  1. 1.
    Of what sort or kind; what; what a; who.[Obs.]
    “And which they weren and of what degree.” Chaucer.
  2. 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. See: What
    Which of you convinceth me of sin?” — John viii. 46.
  3. 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.
    “And when thou fail'st -- as God forbid the hour! -- Must Edward fall, which peril heaven forfend!” Shak.
    “God . . . rested on the seventh day from all his work which he had made.” — Gen. ii. 2.
    “Our Father, which art in heaven.” — Matt. vi. 9.
    “The temple of God is holy, which temple ye are.” — 1 Cor. iii. 17.
  4. 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.
    “Do not they blaspheme that worthy name by the which ye are called?” — James ii. 7.