pump drill; bow drill
A traditional hand-operated drilling tool consisting of a shaft, a flywheel, and a bow or pump mechanism. Used historically in woodworking and fire-starting.
Carpenters in the old days used a pump drill to bore holes in wood.
A pump drill from the Edo period is on display at the museum.
Compound of 舞 (まい, 'spinning' or 'dancing') and 錐 (きり, 'drill'), referring to the rotating motion of the tool.