Burr
Burr (bûr) , noun
[See Bur.]
1.
(Botany) A prickly seed vessel. See Bur, 1.
2.
The thin edge or ridge left by a tool in cutting or shaping metal, as in turning, engraving, pressing, etc.; also, the rough neck left on a bullet in casting.
The graver, in plowing furrows in the surface of the copper, raises corresponding ridges or burrs.
3.
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.
4.
A broad iron ring on a tilting lance just below the gripe, to prevent the hand from slipping.
5.
The lobe or lap of the ear.
6.
A guttural pronounciation of the letter r, produced by trilling the extremity of the soft palate against the back part of the tongue; rotacism; -- often called the Newcastle burr, Northumberland burr, or Tweedside burr.
7.
The knot at the bottom of an antler. See Bur, n., 8.
Burr ({not transcribed}) , intransitive verb
To speak with burr; to make a hoarse or guttural murmur. — Mrs. Browning