To put (something such as a knife or sword) into a sheath.
To encase (something) with a protective covering.
Of an animal: to draw back or retract (a body part) into the body, such as claws into a paw.
To thrust (a sharp object like a sword, a claw, or a tusk) into something.
To abandon or cease (animosity, etc.)
To provide (a sword, etc.) with a sheath.
To relieve the harsh or painful effect of (a drug, a poison, etc.).
Something that wraps around or surrounds something, as a sheath encases its blade.
When the sheathing was on it suddenly looked like a real house: you could see where the outer walls would be even if they still needed the siding and trim added.