auger
Concise Oxford English Dictionary © 2008 Oxford University Press:
auger /ˈɔːgə/
▶noun a tool resembling a large corkscrew, for boring holes.
– origin OE nafogār, from nafu (see nave2) + gār ‘piercer’; the n was lost by wrong division of a nauger.
usage: See usage at augur.
'auger' also found in these Oxford entries:

