Twist drill
Twist Twist, n. 1. The act of twisting; a contortion; a flexure; a convolution; a bending. [1913 Webster]

Not the least turn or twist in the fibers of any one animal which does not render them more proper for that particular animal's way of life than any other cast or texture. --Addison. [1913 Webster]

2. The form given in twisting. [1913 Webster]

[He] shrunk at first sight of it; he found fault with the length, the thickness, and the twist. --Arbuthnot. [1913 Webster]

3. That which is formed by twisting, convoluting, or uniting parts. Specifically: [1913 Webster] (a) A cord, thread, or anything flexible, formed by winding strands or separate things round each other. [1913 Webster] (b) A kind of closely twisted, strong sewing silk, used by tailors, saddlers, and the like. [1913 Webster] (c) A kind of cotton yarn, of several varieties. [1913 Webster] (d) A roll of twisted dough, baked. [1913 Webster] (e) A little twisted roll of tobacco. [1913 Webster] (f) (Weaving) One of the threads of a warp, -- usually more tightly twisted than the filling. [1913 Webster] (g) (Firearms) A material for gun barrels, consisting of iron and steel twisted and welded together; as, Damascus twist. [1913 Webster] (h) (Firearms & Ord.) The spiral course of the rifling of a gun barrel or a cannon. [1913 Webster] (i) A beverage made of brandy and gin. [Slang] [1913 Webster]

4. [OE.; -- so called as being a two-forked branch. See {Twist}, v. t.] A twig. [Obs.] --Chaucer. Fairfax. [1913 Webster]

5. Act of imparting a turning or twisting motion, as to a pitched ball; also, the motion thus imparted; as, the twist of a billiard ball. [Webster 1913 Suppl.]

6. A strong individual tendency, or bent; a marked inclination; a bias; -- often implying a peculiar or unusual tendency; as, a twist toward fanaticism. [Webster 1913 Suppl.]

{Gain twist}, or {Gaining twist} (Firearms), twist of which the pitch is less, and the inclination greater, at the muzzle than at the breech.

{Twist drill}, a drill the body of which is twisted like that of an auger. See Illust. of {Drill}.

{Uniform twist} (Firearms), a twist of which the spiral course has an equal pitch throughout. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • twist drill — n. a kind of drill with deep helical grooves for carrying out chips and shavings …   English World dictionary

  • twist drill — noun a bit or drill having deep helical grooves • Syn: ↑twist bit • Hypernyms: ↑bit * * * noun : a drill having one or usually two deep helical grooves extending from the point to the smooth portion of the shank * * * Mach. a drill with one or… …   Useful english dictionary

  • twist drill — /ˈtwɪst drɪl/ (say twist dril) noun a drill with one or more deep spiral grooves in the body …   Australian English dictionary

  • twist drill — noun A rotating cutting tool, used for cutting holes in metal, wood, or other materials, that consists of an essentially conical point, relieved and fluted to form cutting lips, and spiral flutes which direct the chips away from the lips and… …   Wiktionary

  • twist drill — noun Date: circa 1875 a drill having deep helical grooves extending from the point to the smooth portion of the shank …   New Collegiate Dictionary

  • twist drill — Mach. a drill with one or more deep helical grooves in the body. [1870 75] * * * …   Universalium

  • twist drill —    A drill with a straight shaft incised with spiral cutting edges for boring a hole. Also see wood …   Glossary of Art Terms

  • twist drill — A metal cutting drill with spiral flutes (grooves) to permit the exit of chips while cutting …   Dictionary of automotive terms

  • Drill bit sizes — Drill bits are the cutting tools of drilling machines. They can be made in any size to order, but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors. In the U.S.,… …   Wikipedia

  • Twist — Twist, n. 1. The act of twisting; a contortion; a flexure; a convolution; a bending. [1913 Webster] Not the least turn or twist in the fibers of any one animal which does not render them more proper for that particular animal s way of life than… …   The Collaborative International Dictionary of English

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