sheathe

verb7

1. •
   To put (something such as a knife or sword) into a sheath.

   • Sheath your Dagger: / Be angry when you will, it shall haue scope: […] — 1599
2. •
   Of an animal: to draw back or retract (a body part) into the body, such as claws into a paw.
3. •
   To encase (something) with a protective covering.

   • A chearful heart does good like a medicine, but envy corrodes like a poison; it is so sharp, that it cuts the body which sheathes it. — 1765
4. •
   (figurative, old-fashioned) To thrust (a sharp object like a sword, a claw, or a tusk) into something.

   • And nuzzling in his flank, the loving swine / Sheathed unaware the tusk in his soft groin. — 1593
5. •
   (figurative, no longer used) To abandon or cease (animosity, etc.)

   • Let him die, but first sheth your impatience, throw cold water on your collor, […] — 1597
6. •
   (no longer used) To provide (a sword, etc.) with a sheath.

   • Nathaniels coate sir was not fully made, / And Gabrels pumpes were all vnpinkt i'th heele: / There was no Linke to colour Peters hat, / And Walters dagger was not come from sheathing: […] — 1590
7. •
   (no longer used) To relieve the harsh or painful effect of (a drug, a poison, etc.).

   • He concludes this Dissertation, by endeavouring to explain the Manner of its [olive oil's] operating, which he attributes to its fat inviscating Nature, whereby it sheathes the Spicula of the Poison. — 1738