a drill turned by means of a bow, the string of which is twisted round the drill (see sense 13).
| 单词 | θ212299 |
| 释义 | society > occupation and work > equipment > piercing or boring tools > [noun] > drill > drill worked by string or cord (6) bow-drill1865 a drill turned by means of a bow, the string of which is twisted round the drill (see sense 13). cord-drill1865 a drill worked by a cord twisted round it and pulled backwards and forwards. pump drill1865 a drill in which the shaft is rotated by sliding up and down a crosspiece to which is attached a cord that winds and unwinds about the shaft. thong-drill1865 a drill rotated by means of a thong or cord wound round its stem. fiddle-drill1888 a drill rotated by a string and bow, a bow-drill. Yankee fiddle1892 a kind of bow-drill. |
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