Definition of "sevenfold"

sevenfold

adjective
not comparable
1. Seven times as much; multiplied by seven.
  Quotations
  “I'm through with all pawn-games,” I laughed. “Come, let us have a game of lansquenet. Either I will take a farewell fall out of you or you will have your sevenfold revenge”.
  1908, W[illiam] B[lair] M[orton] Ferguson, chapter I, in Zollenstein, New York, N.Y.: D. Appleton & Company
  Long-distance rail travel is increasing despite a similar sevenfold rise in ownership of private transport throughout the country.
  1963 September, “French Railways' quarter-century expansion”, in Modern Railways, pages 189–190
2. Having seven parts; composed of seven items.
  Quotations
  Come down to the sevenfold gates and harry the foemen away!
  1908, “The Seven Against Thebes”, in Edmund Doidge Anderson Morshead, transl., Four Plays of Aeschylus, page 120
adverb
not comparable
1. By a factor of seven.
  Quotations
  And the Lord said unto him, Therefore whosoever slayeth Cain, vengeance shall be taken on him sevenfold. And the Lord set a mark upon Cain, lest any finding him should kill him.
  1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Genesis 4:15