01 adv. Of which; of whom; formerly, also, with which; -- used relatively.
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1.
Of which; of whom; formerly, also, with which; -- used relatively.“I do not find the certain numbers whereof their armies did consist.” — Sir J. Davies.“Let it work like Borgias' wine, Whereof his sire, the pope, was poisoned.” — Marlowe.“Edward's seven sons, whereof thyself art one.” — Shak.
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2.
Of what; -- used interrogatively.“Whereof was the house built?” — Johnson.