drill1 /dnl; dnl/ n instrument with a pointed end or cutting edges for making holes in hard substances: 鉆;手鉆; 錐： a dentist's ~. 牙醫(yī)用的鉆子。 vt, vi [VP6A] make a hole with a ~: 用蒙孔機機(孔)： ~ a hole in a stone wall; 在一石墻上銀孔。 [VP2A] use a ~. 鉆孔。 '~ing-rig, crig'(2).