() A word compounded of so and ever, used in composition with who, what, where, when, how, etc., and indicating any out of all possible or supposable persons, things, places, times, ways, etc. It is sometimes used separate from the pronoun or adverb.
Example Sentences:
Which
Definition:
(a.) Of what sort or kind; what; what a; who.
(a.) 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.
(pron.) 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.
(pron.) 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.