鍃
孔
鍃
孔
Definitions2 characters enlargement drilled , funnel-shaped (a countersink) cylindrical (a counterbore)
Usage•••frequent
Pronunciations
鍃
孔
As word
1an enlargement at the outer end of a drilled hole, either funnel-shaped (a countersink) or cylindrical (a counterbore)
2an enlargement at the outer end of a drilled hole, either funnel-shaped (a countersink) or cylindrical (a counterbore)