hone

1. A whetstone made of fine gritstone;
   Used for sharpening razors (synset 103535691)
   hypernym: whetstone - a flat stone for sharpening edged tools or knives

1. Sharpen with a hone (synset 201249745)
   "hone a knife"
   hypernym: sharpen - make sharp or sharper
   hyponym: set - give a fine, sharp edge to a knife or razor
2. Make perfect or complete (synset 200474503)
   "perfect your French in Paris!"
   hypernym: ameliorate, amend, better, improve, meliorate - to make better
   hyponym:

   • optimise, optimize - make optimal; get the most out of; use best
   • brush up, polish, polish up, round, round off - bring to a highly developed, finished, or refined state
   synonym: perfect

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