from The Century Dictionary.
- noun A small string-bow, generally made of a thin slip of steel, used to turn a drill, the string being twisted about the drill and the bow being reciprocated forward and backward. See cut under
Sorry, no etymologies found.
From the ceiling, too, hung models, cleverly constructed in various materials; and here -- a cork with quills stuck into it, and with a kind of drill-bow -- was the little flying model of Sir George Cayley.
The Mark Of Cain Andrew Lang 1878
The Indians work the sticks with the palms of the hands, holding the lower piece between the feet; but it is better to have a man to hold the lower piece while another man works the drill-bow.
The Prairie Traveler A Hand-book for Overland Expeditions Randolph Barnes Marcy 1849