from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A device for making things sharp
from The Century Dictionary and Cyclopedia
- n. One who or that which sharpens.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any implement that is used to make something (an edge or a point) sharper
to sharpen + -er (Wiktionary)