Use "sheathe" in a sentence

1. Time to sheathe.

2. 18 To sheathe or cover ( a metal ) with a metal.

3. 17 The two opponents decided at last to sheathe the sword and met at a dinner given by their friend.

4. 23 The human body needs iron to capture oxygen, copper and chromium to absorb energy, cobalt to sheathe our nerves and zinc to help our genes.