Definitions

1. verb

to sharpen or make more keen, typically by abrasion

“The whetstone helped to whet the knife’s blade.”

2. verb

to excite or stimulate (an appetite or desire)

“The smell of freshly baked bread helped to whet her appetite.”

3. noun

something that sharpens or improves the mind or faculties

“Traveling to new places is a good whet for one’s curiosity.”

4. noun

the state of being sharpened or made more keen

“The whet of his mind is what allowed him to solve the puzzle.”