to engrave; to carve; hard steel

strokes 19
strokes after radical 11
镌镂 鐫鏤 juan1 lou4
to engrave

镂刻 鏤刻 lou4 ke4
to carve; to engrave

镂空 鏤空 lou4 kong1
openwork; fretwork

铭心镂骨 銘心鏤骨 ming2 xin1 lou4 gu3
engraved in one's heart and carved in one's bones (idiom); to remember a benefactor as long as one lives; undying gratitude