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burs - 8 dictionary results
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bur

1  [bur] noun, verb, burred, bur⋅ring.
Use burs in a Sentence
–noun
1. a rough, prickly case around the seeds of certain plants, as the chestnut or burdock.
2. any bur-bearing plant.
3. something that adheres like a bur.
4. Machinery. burr 1 (defs. 1, 3).
5. Dentistry. a rotary cutting tool usually of steel or other hard metal shaped into a shank and a head, for removing carious material from teeth and preparing cavities for filling.
6. Surgery. a cutting tool resembling that of a dentist, used for the excavation of bone.
–verb (used with object)
7. to extract or remove burs from.
Origin:
1300–50; ME burre, appar. c. Dan burre, Norw, Sw borre bur
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bur

2  [bur]
–noun
burr 2 .

burr

1  [bur]
–noun
1. Also, buhr. a protruding, ragged edge raised on the surface of metal during drilling, shearing, punching, or engraving.
2. a rough or irregular protuberance on any object, as on a tree.
3. a small, hand-held, power-driven milling cutter, used by machinists and die makers for deepening, widening, or undercutting small recesses.
4. a lump of brick fused or warped in firing.
–verb (used with object)
5. to form a rough point or edge on.
6. deburr.
Also, bur (for defs. 1, 3).

Origin:
1605–15; sp. var. of bur 1

burr

2  [bur]
–noun
1. a washer placed at the head of a rivet.
2. a blank punched out of a piece of sheet metal.
Also, bur.

Origin:
1375–1425; late ME burrewez (pl.), buruhe circle, var. of brough round tower; see broch
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To burs
bur 1 also burr   (bûr)   
n.  
    1. A rough prickly husk or covering surrounding the seeds or fruits of plants such as the chestnut or the burdock.
    2. A plant producing such husks or coverings.
  2. A persistently clinging or nettlesome person or thing.
  3. A rough protuberance, especially a burl on a tree.
  4. Any of various rotary cutting tools designed to be attached to a drill.

[Middle English burre, of Scandinavian origin.]
burr 2 also bur   (bûr)   
n.  
  1. A trilling of the letter r, usually made with the tip of the tongue and characteristic of Scottish speech.
  2. A buzzing or whirring sound.
v.   burred, burr·ing, burrs also burs

v.   tr.
To pronounce with a burr.
v.   intr.
  1. To speak with a burr.
  2. To make a buzzing or whirring sound.

[Imitative.]
burr 3 also bur   (bûr)   
n.  A washer that fits around the smaller end of a rivet.

[Middle English burre, ring, disk, alteration of burwhe, circle, disk.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
bur also burr   (bûr)  Pronunciation Key 
A type of pseudocarp in which the outer surface possesses hooks or barbs. Burs become caught in the feathers or hair of animals, which then carry them away to disperse the seeds.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Language Translation for : burs
Spanish: beca, subvención,
German: das Stipendium, der Zuschuß,
Japanese: 補助金
More Translations »
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