boring; internal turning
Technical term in machining for enlarging or finishing the inside of a hole. Used in mechanical engineering and manufacturing contexts.
This part requires boring.
Finish the hole using a boring tool.
Compound of 中 (なか, 'inside') and 刳り (ぐり, noun form of 刳る 'to gouge, hollow out'). The reading ぐり is a rendaku form of くり.