Burr word meaning and definition

[noun] small bit used in dentistry or surgery
[noun] rough projection left on a workpiece after drilling or cutting
[noun] rotary file for smoothing rough edges left on a workpiece
[noun] United States politician who served as Vice President under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836)
[noun] seed vessel having hooks or prickles
[verb] remove the burrs from

\Burr\, n. [See {Bur}.] (Bot.) 1. 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. --Tomlinson. 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. [Probably of imitative origin.] 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, Northumberland, or Tweedside, burr. 7. The knot at the bottom of an antler. See {Bur}, n., 8.
\Burr\, v. i. [imp. & p. p. {Burred}; p. pr. & vb. n. {Burring}.] To speak with burr; to make a hoarse or guttural murmur. --Mrs. Browning.

Morse code: -... ..- .-. .-.