Cite
 

Meaning of whetstone

whet•stone

Pronunciation: (hwet'stōn", wet'-), [key]
— n.
  1. a stone for sharpening cutlery or tools by friction.
  2. anything that sharpens: a whetstone for dull wits.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: