Definitions

1. verb

to sharpen or whet something, especially a tool or knife, again

“The chef rehone her knife before cutting the vegetables.”

2. verb

to restore or revive something, such as a skill or a memory

“After a long break, she rehone her language skills by reading a book.”

3. noun

the act of sharpening or whetting something, especially a tool or knife, again

“The rehone of her knife took only a few minutes.”