Definitions
Century Dictionary and Cyclopedia
- n. One who or that which sharpens.
Wiktionary
- n. A device for making things sharp
WordNet 3.0
- n. any implement that is used to make something (an edge or a point) sharper
Etymologies
- to sharpen + -er (Wiktionary)
Examples
“Dave, another fine knife sharpener is made by Rada Mfg. Co.”
“A new sharpener is available on application to the supervisor.”
“As for knife sharpeners, I find that the Chef's Choice 3-stage sharpener is the best and easiest to use all-around.”
“• Has there been a preschooler on the planet who hasn't stuck a pinkie into the "free" built-in sharpener?”
“Guys I used the ceramic sticks and Arkansas stones for years but I gotta tell ya the diamond sharpener is better in that: It doesn't require cleaning, needs no lube oil, small enough you can carry it in a pocket, it's unbreakable and you can make a razor's edge with just a few strokes.”
“You don't need the box with 64 crayons and a built-in sharpener.”
“I have had good luck with my Spyderco sharpener, which is like yours, except that it uses trangular stones and is far more expensive.”
“The sharpener is a beautifully engineered steel cylinder style, made in Germany (by Kum).”
“This has a suggested age range of five and older but the sharpener might be a little tempting to stick fingers in so please tell them that this is only for pencils and crayons.”
“ScaryDan gave me a late Christmas present, a ski sharpener which is something I need as we are going to Schweitzer tomorrow.”
Lists
These user-created lists contain the word ‘sharpener’.
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IMCO - EU nomenclature
includes words of the "Prodcom list"
abaca, abdominal, abrasive, absorbent, absorber, accelerator, accessory, account book, accumulator, acebutolol, acetaldehyde, acetamide and 4515 more...
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TECH - furniture
The universe as IKEA sees it.
Furniture, haberdashery, household articles and a lot more. The bulk of the list (750 entries) are IKEA articles in the original English version IKEA use...active-response c..., add-on-unit for s..., adjustable slatte..., alarm clock, alkaline battery, anti-slip socks, anti-slip underlay, armchair, armrest, artificial flower, artificial garland, artificial plant ... and 830 more...
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Vocabulary 3
desperate, trial, swerve, flower-pot, bracelet, pendant, drawer, plug, socket, cast, fluorescent tube, case and 55 more...
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maesepedro's Words
wit, dignity, river, funk, rhythm, embezzlement, schlock, phraseology, shucks, catch, exchequer, retrocessonaire and 70 more...
Tweets
Looking for tweets for sharpener.

yarb I understood it to be a sharpener of thirst or appetite, rather than intellect. Nov 26, 2007
uselessness Any Irishman would tell you that decaf is blasphemy to all things good and pure, least of all coffee. Nov 26, 2007
reesetee That is, if you don't ask for decaffeinated coffee. Then you're two steps behind before you even begin. ;-) Nov 26, 2007
uselessness Unless the sharpener is an Irish coffee, in which, depending on the strength of the brew, the net stimulatory effect is a zero sum... Nov 26, 2007
maesepedro ...often in a separate location to that where the major of the evening will take place. I like it as the implication seems to be that the drink will somehow make the drinker sharper which, I think most of us would recognise, does not usually happen. Nov 26, 2007