Traditional 鍃孔 huō kǒng 🔊 an enlargement at the outer end of a… + Keep this word Meanings huō kǒng 鍃孔 an enlargement at the outer end of a drilled hole, either funnel-shaped (a countersink) or cylindrical (a counterbore) Its characters 锪huōto ream孔kǒngholeHSK 7–9