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bur 1

also burr  (bûr)
a. A rough prickly husk or covering surrounding the seeds or fruits of plants such as the chestnut or the burdock.
b. 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.]

bur 2

n. & v.
Variant of burr2.

bur 3

Variant of burr3.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Botany) a seed vessel or flower head, as of burdock, having hooks or prickles
2. (Botany) any plant that produces burs
3. a person or thing that clings like a bur
4. (Dentistry) a small surgical or dental drill
5. a variant spelling of burr3, burr4
vb, burs, burring or burred
(tr) to remove burs from
Also (for senses 1–4): burr
[C14: probably of Scandinavian origin; compare Danish burre bur, Swedish kardborre burdock]


abbreviation for
Myanmar (international car registration)
[from Burma]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



n., v. burred, bur•ring. n.
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.
5. a rotary cutting tool for removing carious material from teeth and preparing cavities for filling.
6. a surgical cutting tool resembling this, used for the excavation of bone.
7. to extract or remove burs from.
[1300–50; Middle English burre]




Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


Past participle: burred
Gerund: burring

I bur
you bur
he/she/it burs
we bur
you bur
they bur
I burred
you burred
he/she/it burred
we burred
you burred
they burred
Present Continuous
I am burring
you are burring
he/she/it is burring
we are burring
you are burring
they are burring
Present Perfect
I have burred
you have burred
he/she/it has burred
we have burred
you have burred
they have burred
Past Continuous
I was burring
you were burring
he/she/it was burring
we were burring
you were burring
they were burring
Past Perfect
I had burred
you had burred
he/she/it had burred
we had burred
you had burred
they had burred
I will bur
you will bur
he/she/it will bur
we will bur
you will bur
they will bur
Future Perfect
I will have burred
you will have burred
he/she/it will have burred
we will have burred
you will have burred
they will have burred
Future Continuous
I will be burring
you will be burring
he/she/it will be burring
we will be burring
you will be burring
they will be burring
Present Perfect Continuous
I have been burring
you have been burring
he/she/it has been burring
we have been burring
you have been burring
they have been burring
Future Perfect Continuous
I will have been burring
you will have been burring
he/she/it will have been burring
we will have been burring
you will have been burring
they will have been burring
Past Perfect Continuous
I had been burring
you had been burring
he/she/it had been burring
we had been burring
you had been burring
they had been burring
I would bur
you would bur
he/she/it would bur
we would bur
you would bur
they would bur
Past Conditional
I would have burred
you would have burred
he/she/it would have burred
we would have burred
you would have burred
they would have burred
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bur - seed vessel having hooks or pricklesbur - seed vessel having hooks or prickles
pericarp, seed vessel - the ripened and variously modified walls of a plant ovary
beggar-ticks, Spanish needles - the seed of bur marigolds
2.bur - small bit used in dentistry or surgery
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"
burr drill, dentist's drill - a high speed drill that dentists use to cut into teeth
Verb1.bur - remove the burrs from
remove, take away, withdraw, take - remove something concrete, as by lifting, pushing, or taking off, or remove something abstract; "remove a threat"; "remove a wrapper"; "Remove the dirty dishes from the table"; "take the gun from your pocket"; "This machine withdraws heat from the environment"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


also bur
A continuous low-pitched droning sound:
To make a continuous low-pitched droning sound:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


, burr
n (Bot, fig inf) → Klette f; chestnut burKastanienschale f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
It was very exciting at that season to roam the then boundless chestnut woods of Lincoln -- they now sleep their long sleep under the railroad -- with a bag on my shoulder, and a stick to open burs with in my hand, for I did not always wait for the frost, amid the rustling of leaves and the loud reproofs of the red squirrels and the jays, whose half-consumed nuts I sometimes stole, for the burs which they had selected were sure to contain sound ones.
From yet another machine came tens of thousands of steel burs to fit upon these bolts.
Ten years on however, a drop in prices is prompting an increasing number of people to return to Dubai, with areas like Bur Dubai and Karama being the hot spots, local real estate agents said.
Table-3: Association between bur sites and frequency of contamination subjected to different pre-cleaning methods.
An average of three minutes and 12 seconds was taken for service transactions, while average waiting time of customers was four minutes and 37 seconds at the Bur Dubai police station.
Late in 2006, BUR embarked on the second phase of asset acquisition by joining with AKG Energy, and major US company, Marathon Oil, to participate in Austin Chalk leases in the Champions area, Grimes and Montgomery Counties, Texas.
Next, insert the bur and run the handpiece on an air station or handpiece purging station for 10 to 20 seconds (once normal speed is reached) to flush the debris out of the turbine before autoclaving.
The roofing industry continues to respond to the new challenges presented today; as a result, asphalt BUR is better today than ever before.
In the calm, cold air the bare limbs, branches, and twigs of the biggest bur oak are so still they seem frozen in space, as if nothing could ever move them.
In early phases of our study, it was noted that intact burs were difficult to separate from fine fiber in feces or rumen digesta with our wet separation method, which prompted a closer examination of the bur structure.