"Burr" is a word in ENGLISH

The sweetbread.

A triangular chisel.

A clinker; a partially vitrified brick.

A drill with a serrated head larger than the shank; -- used
by dentists.

Any rough or prickly envelope of the seeds of plants, whether
a pericarp, a persistent calyx, or an involucre, as of the chestnut and
burdock. Also, any weed which bears burs.

The thin ridge left by a tool in cutting or shaping metal.
See Burr, n., 2.

The round knob of an antler next to a deer's head.

A ring of iron on a lance or spear. See Burr, n., 4.

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.

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.

A broad iron ring on a tilting lance just below the gripe, to
prevent the hand from slipping.

The knot at the bottom of an antler. See Bur, n., 8.

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.

The lobe of the ear. See Burr, n., 5.

A prickly seed vessel. See Bur, 1.

A small circular saw.

The lobe or lap of the ear.

To speak with burr; to make a hoarse or guttural murmur.