|Noah Webster's Dictionary|
1. (imp. & p. p.) of Sheathe.
2. (a.) Provided with, or enclosed in, sheath.
3. (a.) Invested by a sheath, or cylindrical membranaceous tube, which is the base of the leaf, as the stalk or culm in grasses.
Sheathed (2 Occurrences)
Psalms 68:13 while you sleep among the campfires, the wings of a dove sheathed with silver, her feathers with shining gold. (WEB NIV)
Ezekiel 21:5 and all flesh shall know that I the LORD have drawn forth My sword out of its sheath; it shall not return any more. (See RSV)