开凿

to cut (a canal, tunnel, well etc)

to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format

chisel / to bore a hole / to chisel or dig / (literary) (bound form) certain / authentic / irrefutable / also pr. [zuo4]