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Auger | Auger \Au"ger\, n. [OE. augoure, nauger, AS. nafeg[=a]r, fr. nafu, nafa, nave of a wheel + g[=a]r spear, and therefore meaning properly and originally a nave-bore. See {Nave} (of a wheel) and 2d {Gore}, n.] 1. A carpenter's tool for boring holes larger than those bored by a gimlet. It has a handle placed crosswise by which it is turned with both hands. A pod auger is one with a straight channel or groove, like the half of a bean pod. A screw auger has a twisted blade, by the spiral groove of which the chips are discharge. [1913 Webster] 2. An instrument for boring or perforating soils or rocks, for determining the quality of soils, or the nature of the rocks or strata upon which they lie, and for obtaining water. [1913 Webster] {Auger bit}, a bit with a cutting edge or blade like that of an anger. [1913 Webster] || |
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