A revolving tool with a D-shaped crank handle for boring.
- ‘The trepanning brace and bit here would make any carpenter envious.’
- ‘A further development was to use a brace and bit to ream out (as bone dust) burr holes about 1 cm in diameter.’
- ‘Also included were all the woodworking tools needed (augers, chisels, gouges, taper bits, brace and bits, planes and irons, etc.) to make wheels.’
- ‘We did because we had some very capable fellows with the screwdrivers and brace and bit.’