sharpener
/ˈʃɑrpɛnər/Definitions
1. noun
a device used to sharpen something, especially a knife or a pencil
“She used a pencil sharpener to sharpen her pencils for the exam.”
2. noun
a person or thing that sharpens something
“The sharpener at the knife shop was very skilled.”
3. verb
to make something sharper
“She sharpened her scissors before cutting the fabric.”