锪孔

Traditional (Taiwan): 鍃孔

huōkǒng ㄏㄨㄛ ㄎㄨㄥˇ

    • an enlargement at the outer end of a drilled hole, either funnel-shaped (a countersink) or cylindrical (a counterbore)

Character by character

Other words read huōkǒng

huokong with other tones

  • 火控 huǒkòng fire control

Sources