<p><strong>Noun</strong></p><ul><li>a bit, as for a brace.</li><li>a boring tool, similar to but larger than a gimlet, consisting of a bit rotated by a transverse handle.</li><li>earth auger.</li><li>a device consisting of a shaft with a broad helical flange rotating within a cylindrical casing to force bulk materials from one end to the other.</li><li>snake (def 3a).</li></ul>