Word Detail

凿
záo
chisel, to bore a hole, to chisel or dig, (literary) (bound form) certain, authentic, irrefutable, also pr. [zuò]
HSK 7-9 (v3.0)

Examples

凿洞。
Záo dòng.
Chisel a hole.
确凿。
Quèzáo.
Conclusive.