To sheathe the sword

from The Collaborative International Dictionary of English v.0.48
Sheathe \Sheathe\, v. t. [imp. & p. p. {Sheathed}; p. pr. & vb.
   n. {Sheating}.] [Written also sheath.]
   1. To put into a sheath, case, or scabbard; to inclose or
      cover with, or as with, a sheath or case.
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            The leopard . . . keeps the claws of his fore feet
            turned up from the ground, and sheathed in the skin
            of his toes.                          --Grew.
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            'T is in my breast she sheathes her dagger now.
                                                  --Dryden.
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   2. To fit or furnish, as with a sheath. --Shak.
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   3. To case or cover with something which protects, as thin
      boards, sheets of metal, and the like; as, to sheathe a
      ship with copper.
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   4. To obtund or blunt, as acrimonious substances, or sharp
      particles. [R.] --Arbuthnot.
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   {To sheathe the sword}, to make peace.
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