noun
electric drill
A power tool for drilling holes, driven by an electric motor. Common in DIY and construction contexts.
壁に穴を開けるために電気ドリルを使った。
I used an electric drill to make a hole in the wall.
ドリル can refer to any drill (hand-powered, electric, or a dental drill), while 電気ドリル specifically means an electric-powered drill.
Compound of 電気 (electricity) and ドリル (drill, from English).