noun
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.
昔の大工は舞錐を使って木材に穴を開けた。
Carpenters in the old days used a pump drill to bore holes in wood.
博物館で江戸時代の舞錐が展示されている。
A pump drill from the Edo period is on display at the museum.