hone


Concise Oxford English Dictionary © 2008 Oxford University Press:
hone/həʊn/
verb sharpen with a whetstone.

■ make sharper or more focused or efficient.

noun a whetstone.
– origin ME: from OE hān ‘stone’, of Gmc origin.
'hone' also found in these Oxford entries:

Download free Android and iPhone apps

Android AppiPhone App
Report an inappropriate ad.