<p><strong>Noun</strong></p><ul><li>a small tower, usually one forming part of a larger structure.</li><li>a small tower at an angle of a building, as of a castle or fortress, frequently beginning some distance above the ground.</li><li>a pivoted attachment on a lathe or the like for holding a number of tools, each of which can be presented to the work in rapid succession by a simple rotating movement.</li><li>Military: a domelike, sometimes heavily armored structure, usually revolving horizontally, within which guns are mounted, as on a fortification, ship, or aircraft.</li><li>Fortification: a tall structure, usually moved on wheels, formerly employed in breaching or scaling a fortified place, a wall, or the like.</li></ul>