drill bit

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n., v. bit•ted, bit•ting. n.
1. the mouthpiece of a bridle, having fittings at each end to which the reins are fastened.
2. anything that curbs or restrains.
3. a removable drilling or boring tool for use in a brace, drill press, or the like.
4. the cutting part of an ax or hatchet.
5. the wide portion at the end of an ordinary key that moves the bolt.
6. to put a bit in the mouth of (a horse).
7. to curb with or as if with a bit.
8. to grind a bit on (a key).
1. chafe or champ at the bit, to become impatient and restless because of delay.
2. take the bit in or between one's teeth, to reject control; go one's own way.
[before 900; Middle English bite, Old English: action of biting; c. Old High German biz. See bite]



1. a small piece or quantity of something.
2. a short time: Wait a bit.
3. a stereotypic set of behaviors, attitudes, or actions associated with a particular role, situation, etc.: the whole Wall Street bit.
4. Also called bit part. a very small role containing few or no lines. Compare walk-on (def. 1).
5. Informal. an amount equivalent to 12½ cents (used only in even multiples): two bits.
1. a bit, somewhat; a little: a bit sleepy.
2. a bit much, somewhat overdone or beyond tolerability.
3. bit by bit, by degrees; gradually.
4. do one's bit, to contribute one's share to an effort.
5. every bit, quite; just: every bit as good.
6. quite a bit, a fairly large amount.
[before 1000; Middle English bite, Old English bita bit, morsel; c. Old High German bizzo, Old Norse biti. See bite]



a single, basic unit of computer information, valued at either 0 or 1 to signal binary alternatives.
[1945–50; bi (nary) + (digi) t]



pt. and a pp. of bite.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.drill bit - a bit used in drilling for oildrill bit - a bit used in drilling for oil  
bit - the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit"
core bit - a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
blade bit, fishtail bit - a drilling bit with cutting edges usually hardened against wear
rock bit, roller bit - a drill bit that has hardened rotating rollers
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
* Different drill chucks to accept the plastic drill bit without damaging the chuck end of the bit.
If you're short of drill bits, check out the great-value Titan HSS Drill Bit Set (PS31.99, Screwfix): a sturdy metal carry case and 170 - yes, 170 - drill bits of various sizes for plastic, metal and wood.
Founded in 1947, Varel International is the world's largest independent supplier in the global oil & gas drill bit market.
start to fix your timber frame to the surrounding walls by drilling into your brickwork with a masonry drill bit, using your hammer action drill driver.
flexible drill bit to drill holes through the floor joists in the finished ceiling so he could fish wire through them and install new recessed lights.
Swap your drill bit to a 6mm masonry drill bit, line the hole up to the brick wall and drill a clearance hole into the wall.
BAKER Hughes has announced that its new drill bit manufacturing plant in Saudi Arabia is fully operational and delivering industry-leading polycrystalline diamond compact (PDC) bits to the Saudi Arabian and Middle East markets.
Baker Hughes, one of the world's largest oilfield services company, has announced the opening of its new drill bit manufacturing plant in Saudi Arabia.
Baker Hughes, a provider of products and services to the worldwide oil and gas industry, has opened its new drill bit manufacturing plant in Saudi Arabia.
Forstner drill bits, hardware drill bits or hinge cutting bits are usually used for larger drill bit diameters - there are also auger bits for deep holes in wood.
The fact that the loosely associated group of particles rests just above the interconnect pad strongly suggests that the dominant mechanism causing these defects is the interconnect pad scraping drill bit debris off the bit as the bit enters and exits.
Summary: Libya may see the bite of Oil India Ltd.'s (OIL) drill bit in early 2009.