pump drill
Noun
Meaning
pump drill (plural pump drills)
A simple hand-powered device used to impart a rapid rotating motion to a rod (the spindle or drill shaft), used to start a fire or to drill holes.
Hyponym: porotiti
Noun
pump drill (plural pump drills)
A simple hand-powered device used to impart a rapid rotating motion to a rod (the spindle or drill shaft), used to start a fire or to drill holes.
Hyponym: porotiti