Auger
['ɔːgə] or ['ɔgɚ]
Definition
(n.) 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.
(n.) 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.
Editor: Margaret
Definition
n. a carpenter's tool used for boring holes in wood.—n. Au′ger-bit an auger that fits into a carpenter's brace (see Brace).
Editor: Pasquale
Examples
- In 1809, L'Hommedieu, a Frenchman, invented an auger with two pods and cutting lips, a central screw and a twisted shank. William Henry Doolittle. Inventions in the Century.
- True, the turning-lathe, the axe, the hammer, the chisel, the saw, the auger, the plane, the screw, and cutting and other wood-shaping instruments in simple forms existed in abundance. William Henry Doolittle. Inventions in the Century.
- Many of these holes are as round and as cleanly cut as if they had been made with an auger. Mark Twain. The Innocents Abroad.
- Formerly augers and similar boring tools had merely a curved sharpened end and a concavity to hold the chips, and the whole tool had to be withdrawn to empty the chips. William Henry Doolittle. Inventions in the Century.
Edited by Fergus