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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.


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]



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]






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
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"


also bur
A continuous low-pitched droning sound:
To make a continuous low-pitched droning sound:


, burr
n (Bot, fig inf) → Klette f; chestnut burKastanienschale f
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.
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.
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.
The Bur Bur & Friends activity books are educational as well as entertaining and will provide enjoyment for kids of all ages.
At the end of the introductory section, it states: "Today the bur oak is the state tree of both Illinois and Iowa.
BUR showcases a range of climate-friendly measures initiated through eight National Missions under National Action Plan on Climate Change and other programs such as Integrated Power Development Scheme, Renewable Purchase Obligations, enhancement of cess on coal, Perform Achieve and Trade Scheme and National Program for LED based lighting.
The rugged bur oak (Quercus macrocarpa) is forgiving as well.
Furthermore, BUR operates in a competitive marketplace with Los Angeles International Airport (airport revenue bonds rated 'AA' by Fitch, with a Negative Outlook), Long Beach Airport (airport revenue bonds rated by Fitch with an implied rating of 'A-' with a Stable Outlook), and Ontario International Airport (airport revenue bonds rated 'A' by Fitch with a Stable Outlook) providing comparable or more expansive service within the 50-mile radius.