burr

Short definition from Wiktionary

Noun

1. 1
   A sharp, pointy object, such as a sliver or splinter.
2. 2
   Alternative form of bur (“rough, prickly husk around the seeds or fruit of some plants”).
3. 3
   A small piece of material left on an edge after a cutting operation.
4. 4
   A thin flat piece of metal, formed from a sheet by punching; a small washer put on the end of a rivet before it is swaged down.
5. 5
   A broad iron ring on a tilting lance just below the grip, to prevent the hand from slipping.
6. 6
   A metal ring at the top of the hand-rest on a spear.
7. 7
   The ear lobe.
8. 8
   A burr knot or burl.
9. 9
   The knot at the bottom of an antler.
10. 10
    A revolving disk or cone with abrasive surfaces used to grind hard products in a grinder or mill.
11. 11
    A rough humming sound.
12. 12
    A uvular "r" sound, or (by extension) an accent characterized by this sound.
13. 13
    Synonym of brough (“halo around the sun or moon”)
14. 14
    Alternative spelling of burl.

Verb

1. 1
   To grind using a burr (revolving disk or cone with abrasive surfaces).
2. 2
   To pronounce with a uvular "r".
3. 3
   To make a rough humming sound.

Proper noun

1. 1
   A surname.
2. 2
   A number of places in the United States: An unincorporated community in Florida Township, Yellow Medicine County, Minnesota.
3. 3
   A number of places in the United States: An unincorporated community in Ripley County, Missouri.
4. 4
   A number of places in the United States: A village in Otoe County, Nebraska, named after burr oak trees.
5. 5
   A number of places in the United States: An unincorporated community in Wharton County, Texas.
6. 6
   A number of places in the United States: An unincorporated community in Pocahontas County, West Virginia.
7. 7
   A community in Rural Municipality of Wolverine No. 340, central Saskatchewan, Canada.